Whether the oxygen is classified as an element, a compound or a mixture should be identified. Concept Introduction : The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H 2 O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

Question

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Answer 1

Question

Chapter 2, Problem 2.10P

(a)

Interpretation Introduction

Interpretation:

Whether the oxygen is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(a)

Expert Solution

Answer to Problem 2.10P

Oxygen is an element.

Explanation of Solution

It contains similar atoms. So, from the definition; the substance having a similar atom is called an element. Therefore, oxygen is an element.

(b)

Interpretation Introduction

Interpretation:

Whether table salt is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(b)

Expert Solution

Answer to Problem 2.10P

Table salt is a mixture.

Explanation of Solution

The table salt is 99% sodium chloride, but it has trace elements of other salts present in it. Thus, it is not a compound but it is a mixture.

(c)

Interpretation Introduction

Interpretation:

Whether the seawater is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(c)

Expert Solution

Answer to Problem 2.10P

Sea water is a mixture.

Explanation of Solution

In sea water, different amount of salt and water is present. The salt can be separated by without any chemical process. So, it is a mixture.

d.

Interpretation Introduction

Interpretation:

Whether wine is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

d.

Expert Solution

Answer to Problem 2.10P

Wine is a mixture.

Explanation of Solution

In wine, different amount of ethyl alcohol and water is present. So, it is a mixture.

e.

Interpretation Introduction

Interpretation:

Whether air is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

e.

Expert Solution

Answer to Problem 2.10P

Air is a mixture.

Explanation of Solution

In air different amount of different gasses are present like oxygen, carbon dioxide, and nitrogen. So, it is a mixture.

f.

Interpretation Introduction

Interpretation:

Whether silver is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

f.

Expert Solution

Answer to Problem 2.10P

Silver is an element.

Explanation of Solution

In silver only, identical atoms of silver are present. So, it is an element.

g.

Interpretation Introduction

Interpretation:

Whether diamond is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

g.

Expert Solution

Answer to Problem 2.10P

Diamond is a compound.

Explanation of Solution

It is one of the allotropes of carbon. It is made up carbon atoms. So, it is a compound.

h.

Interpretation Introduction

Interpretation:

Whether a pebble is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

h.

Expert Solution

Answer to Problem 2.10P

A pebble is a mixture.

Explanation of Solution

It is composed of fragments of rocks, which are made up of sand, dirt, and various particles in any proportion. A mixture is a combination of two or more pure substances in any mass ratio. So, it is a mixture.

i.

Interpretation Introduction

Interpretation:

Whether gasoline is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

i.

Expert Solution

Answer to Problem 2.10P

Gasoline is a mixture.

Explanation of Solution

It is made up of flammable liquid hydrocarbons derived from crude petroleum. A mixture is a combination of two or more pure substances in any mass ratio. Thus, it is a mixture.

J

Interpretation Introduction

Interpretation:

Whether milk is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

J

Expert Solution

Answer to Problem 2.10P

Milk is a mixture

Explanation of Solution

It contains water, fats, and proteins in indefinite proportions. A mixture is a combination of two or more pure substances in any mass ratio. So, milk is a mixture.

k.

Interpretation Introduction

Interpretation:

Whether carbon dioxide is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

k.

Expert Solution

Answer to Problem 2.10P

Carbon dioxide is a compound.

Explanation of Solution

It is made up of carbon and oxygen in a ratio of 1:2. A compound is a pure substance made up of two or more elements in a fixed ratio by mass. So, it is a compound.

l.

Interpretation Introduction

Interpretation:

Whether bronze is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

l.

Expert Solution

Answer to Problem 2.10P

Bronze is a mixture.

Explanation of Solution

It is an alloy of copper and tin. An alloy is a substance made by melting two or more metals together to enhance the strength. A mixture is a combination of two or more pure substances in any mass ratio. So, it is a mixture.

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Students have asked these similar questions

Classify each of the following as an element, a compound, or a mixture: (a) Oxygen (b) Table salt (c) Sea water (d) Wine (e) Air (f) Silver (g) Diamond (h) A pebble (i) Gasoline (j) Milk (k) Carbon dioxide (l) Bronze

(1. On the second floor of Kent Laboratory a chemistry student in 111B finds that 15.20 g of nitrogen will react with 17.37 g, 34.74 g, or 43.43 g of oxygen to form three different compounds: (a) Calculate the ratio of the mass of oxygen to the mass of nitrogen for each compound and (b) Explain briefly how the numbers in part (a) support the atomic theory.

(a) Carbon and iron are both elements. What is an element?

Answer 2

Question

Chapter 2, Problem 2.10P

(a)

Interpretation Introduction

Interpretation:

Whether the oxygen is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(a)

Expert Solution

Answer to Problem 2.10P

Oxygen is an element.

Explanation of Solution

It contains similar atoms. So, from the definition; the substance having a similar atom is called an element. Therefore, oxygen is an element.

(b)

Interpretation Introduction

Interpretation:

Whether table salt is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(b)

Expert Solution

Answer to Problem 2.10P

Table salt is a mixture.

Explanation of Solution

The table salt is 99% sodium chloride, but it has trace elements of other salts present in it. Thus, it is not a compound but it is a mixture.

(c)

Interpretation Introduction

Interpretation:

Whether the seawater is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(c)

Expert Solution

Answer to Problem 2.10P

Sea water is a mixture.

Explanation of Solution

In sea water, different amount of salt and water is present. The salt can be separated by without any chemical process. So, it is a mixture.

d.

Interpretation Introduction

Interpretation:

Whether wine is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

d.

Expert Solution

Answer to Problem 2.10P

Wine is a mixture.

Explanation of Solution

In wine, different amount of ethyl alcohol and water is present. So, it is a mixture.

e.

Interpretation Introduction

Interpretation:

Whether air is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

e.

Expert Solution

Answer to Problem 2.10P

Air is a mixture.

Explanation of Solution

In air different amount of different gasses are present like oxygen, carbon dioxide, and nitrogen. So, it is a mixture.

f.

Interpretation Introduction

Interpretation:

Whether silver is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

f.

Expert Solution

Answer to Problem 2.10P

Silver is an element.

Explanation of Solution

In silver only, identical atoms of silver are present. So, it is an element.

g.

Interpretation Introduction

Interpretation:

Whether diamond is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

g.

Expert Solution

Answer to Problem 2.10P

Diamond is a compound.

Explanation of Solution

It is one of the allotropes of carbon. It is made up carbon atoms. So, it is a compound.

h.

Interpretation Introduction

Interpretation:

Whether a pebble is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

h.

Expert Solution

Answer to Problem 2.10P

A pebble is a mixture.

Explanation of Solution

It is composed of fragments of rocks, which are made up of sand, dirt, and various particles in any proportion. A mixture is a combination of two or more pure substances in any mass ratio. So, it is a mixture.

i.

Interpretation Introduction

Interpretation:

Whether gasoline is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

i.

Expert Solution

Answer to Problem 2.10P

Gasoline is a mixture.

Explanation of Solution

It is made up of flammable liquid hydrocarbons derived from crude petroleum. A mixture is a combination of two or more pure substances in any mass ratio. Thus, it is a mixture.

J

Interpretation Introduction

Interpretation:

Whether milk is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

J

Expert Solution

Answer to Problem 2.10P

Milk is a mixture

Explanation of Solution

It contains water, fats, and proteins in indefinite proportions. A mixture is a combination of two or more pure substances in any mass ratio. So, milk is a mixture.

k.

Interpretation Introduction

Interpretation:

Whether carbon dioxide is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

k.

Expert Solution

Answer to Problem 2.10P

Carbon dioxide is a compound.

Explanation of Solution

It is made up of carbon and oxygen in a ratio of 1:2. A compound is a pure substance made up of two or more elements in a fixed ratio by mass. So, it is a compound.

l.

Interpretation Introduction

Interpretation:

Whether bronze is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

l.

Expert Solution

Answer to Problem 2.10P

Bronze is a mixture.

Explanation of Solution

It is an alloy of copper and tin. An alloy is a substance made by melting two or more metals together to enhance the strength. A mixture is a combination of two or more pure substances in any mass ratio. So, it is a mixture.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Question

Chapter 2, Problem 2.10P

(a)

Interpretation Introduction

Interpretation:

Whether the oxygen is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(a)

Expert Solution

Answer to Problem 2.10P

Oxygen is an element.

Explanation of Solution

It contains similar atoms. So, from the definition; the substance having a similar atom is called an element. Therefore, oxygen is an element.

(b)

Interpretation Introduction

Interpretation:

Whether table salt is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(b)

Expert Solution

Answer to Problem 2.10P

Table salt is a mixture.

Explanation of Solution

The table salt is 99% sodium chloride, but it has trace elements of other salts present in it. Thus, it is not a compound but it is a mixture.

(c)

Interpretation Introduction

Interpretation:

Whether the seawater is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(c)

Expert Solution

Answer to Problem 2.10P

Sea water is a mixture.

Explanation of Solution

In sea water, different amount of salt and water is present. The salt can be separated by without any chemical process. So, it is a mixture.

d.

Interpretation Introduction

Interpretation:

Whether wine is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

d.

Expert Solution

Answer to Problem 2.10P

Wine is a mixture.

Explanation of Solution

In wine, different amount of ethyl alcohol and water is present. So, it is a mixture.

e.

Interpretation Introduction

Interpretation:

Whether air is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

e.

Expert Solution

Answer to Problem 2.10P

Air is a mixture.

Explanation of Solution

In air different amount of different gasses are present like oxygen, carbon dioxide, and nitrogen. So, it is a mixture.

f.

Interpretation Introduction

Interpretation:

Whether silver is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

f.

Expert Solution

Answer to Problem 2.10P

Silver is an element.

Explanation of Solution

In silver only, identical atoms of silver are present. So, it is an element.

g.

Interpretation Introduction

Interpretation:

Whether diamond is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

g.

Expert Solution

Answer to Problem 2.10P

Diamond is a compound.

Explanation of Solution

It is one of the allotropes of carbon. It is made up carbon atoms. So, it is a compound.

h.

Interpretation Introduction

Interpretation:

Whether a pebble is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

h.

Expert Solution

Answer to Problem 2.10P

A pebble is a mixture.

Explanation of Solution

It is composed of fragments of rocks, which are made up of sand, dirt, and various particles in any proportion. A mixture is a combination of two or more pure substances in any mass ratio. So, it is a mixture.

i.

Interpretation Introduction

Interpretation:

Whether gasoline is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

i.

Expert Solution

Answer to Problem 2.10P

Gasoline is a mixture.

Explanation of Solution

It is made up of flammable liquid hydrocarbons derived from crude petroleum. A mixture is a combination of two or more pure substances in any mass ratio. Thus, it is a mixture.

J

Interpretation Introduction

Interpretation:

Whether milk is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

J

Expert Solution

Answer to Problem 2.10P

Milk is a mixture

Explanation of Solution

It contains water, fats, and proteins in indefinite proportions. A mixture is a combination of two or more pure substances in any mass ratio. So, milk is a mixture.

k.

Interpretation Introduction

Interpretation:

Whether carbon dioxide is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

k.

Expert Solution

Answer to Problem 2.10P

Carbon dioxide is a compound.

Explanation of Solution

It is made up of carbon and oxygen in a ratio of 1:2. A compound is a pure substance made up of two or more elements in a fixed ratio by mass. So, it is a compound.

l.

Interpretation Introduction

Interpretation:

Whether bronze is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

l.

Expert Solution

Answer to Problem 2.10P

Bronze is a mixture.

Explanation of Solution

It is an alloy of copper and tin. An alloy is a substance made by melting two or more metals together to enhance the strength. A mixture is a combination of two or more pure substances in any mass ratio. So, it is a mixture.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 2, Problem 2.10P

(a)

Interpretation Introduction

Interpretation:

Whether the oxygen is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(a)

Expert Solution

Answer to Problem 2.10P

Oxygen is an element.

Explanation of Solution

It contains similar atoms. So, from the definition; the substance having a similar atom is called an element. Therefore, oxygen is an element.

(b)

Interpretation Introduction

Interpretation:

Whether table salt is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(b)

Expert Solution

Answer to Problem 2.10P

Table salt is a mixture.

Explanation of Solution

The table salt is 99% sodium chloride, but it has trace elements of other salts present in it. Thus, it is not a compound but it is a mixture.

(c)

Interpretation Introduction

Interpretation:

Whether the seawater is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(c)

Expert Solution

Answer to Problem 2.10P

Sea water is a mixture.

Explanation of Solution

In sea water, different amount of salt and water is present. The salt can be separated by without any chemical process. So, it is a mixture.

d.

Interpretation Introduction

Interpretation:

Whether wine is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

d.

Expert Solution

Answer to Problem 2.10P

Wine is a mixture.

Explanation of Solution

In wine, different amount of ethyl alcohol and water is present. So, it is a mixture.

e.

Interpretation Introduction

Interpretation:

Whether air is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

e.

Expert Solution

Answer to Problem 2.10P

Air is a mixture.

Explanation of Solution

In air different amount of different gasses are present like oxygen, carbon dioxide, and nitrogen. So, it is a mixture.

f.

Interpretation Introduction

Interpretation:

Whether silver is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

f.

Expert Solution

Answer to Problem 2.10P

Silver is an element.

Explanation of Solution

In silver only, identical atoms of silver are present. So, it is an element.

g.

Interpretation Introduction

Interpretation:

Whether diamond is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

g.

Expert Solution

Answer to Problem 2.10P

Diamond is a compound.

Explanation of Solution

It is one of the allotropes of carbon. It is made up carbon atoms. So, it is a compound.

h.

Interpretation Introduction

Interpretation:

Whether a pebble is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

h.

Expert Solution

Answer to Problem 2.10P

A pebble is a mixture.

Explanation of Solution

It is composed of fragments of rocks, which are made up of sand, dirt, and various particles in any proportion. A mixture is a combination of two or more pure substances in any mass ratio. So, it is a mixture.

i.

Interpretation Introduction

Interpretation:

Whether gasoline is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

i.

Expert Solution

Answer to Problem 2.10P

Gasoline is a mixture.

Explanation of Solution

It is made up of flammable liquid hydrocarbons derived from crude petroleum. A mixture is a combination of two or more pure substances in any mass ratio. Thus, it is a mixture.

J

Interpretation Introduction

Interpretation:

Whether milk is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

J

Expert Solution

Answer to Problem 2.10P

Milk is a mixture

Explanation of Solution

It contains water, fats, and proteins in indefinite proportions. A mixture is a combination of two or more pure substances in any mass ratio. So, milk is a mixture.

k.

Interpretation Introduction

Interpretation:

Whether carbon dioxide is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

k.

Expert Solution

Answer to Problem 2.10P

Carbon dioxide is a compound.

Explanation of Solution

It is made up of carbon and oxygen in a ratio of 1:2. A compound is a pure substance made up of two or more elements in a fixed ratio by mass. So, it is a compound.

l.

Interpretation Introduction

Interpretation:

Whether bronze is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

l.

Expert Solution

Answer to Problem 2.10P

Bronze is a mixture.

Explanation of Solution

It is an alloy of copper and tin. An alloy is a substance made by melting two or more metals together to enhance the strength. A mixture is a combination of two or more pure substances in any mass ratio. So, it is a mixture.

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Answer 5

Chapter 2, Problem 2.10P

(a)

Interpretation Introduction

Interpretation:

Whether the oxygen is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(a)

Expert Solution

Answer to Problem 2.10P

Oxygen is an element.

Explanation of Solution

It contains similar atoms. So, from the definition; the substance having a similar atom is called an element. Therefore, oxygen is an element.

(b)

Interpretation Introduction

Interpretation:

Whether table salt is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(b)

Expert Solution

Answer to Problem 2.10P

Table salt is a mixture.

Explanation of Solution

The table salt is 99% sodium chloride, but it has trace elements of other salts present in it. Thus, it is not a compound but it is a mixture.

(c)

Interpretation Introduction

Interpretation:

Whether the seawater is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(c)

Expert Solution

Answer to Problem 2.10P

Sea water is a mixture.

Explanation of Solution

In sea water, different amount of salt and water is present. The salt can be separated by without any chemical process. So, it is a mixture.

d.

Interpretation Introduction

Interpretation:

Whether wine is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

d.

Expert Solution

Answer to Problem 2.10P

Wine is a mixture.

Explanation of Solution

In wine, different amount of ethyl alcohol and water is present. So, it is a mixture.

e.

Interpretation Introduction

Interpretation:

Whether air is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

e.

Expert Solution

Answer to Problem 2.10P

Air is a mixture.

Explanation of Solution

In air different amount of different gasses are present like oxygen, carbon dioxide, and nitrogen. So, it is a mixture.

f.

Interpretation Introduction

Interpretation:

Whether silver is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

f.

Expert Solution

Answer to Problem 2.10P

Silver is an element.

Explanation of Solution

In silver only, identical atoms of silver are present. So, it is an element.

g.

Interpretation Introduction

Interpretation:

Whether diamond is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

g.

Expert Solution

Answer to Problem 2.10P

Diamond is a compound.

Explanation of Solution

It is one of the allotropes of carbon. It is made up carbon atoms. So, it is a compound.

h.

Interpretation Introduction

Interpretation:

Whether a pebble is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

h.

Expert Solution

Answer to Problem 2.10P

A pebble is a mixture.

Explanation of Solution

It is composed of fragments of rocks, which are made up of sand, dirt, and various particles in any proportion. A mixture is a combination of two or more pure substances in any mass ratio. So, it is a mixture.

i.

Interpretation Introduction

Interpretation:

Whether gasoline is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

i.

Expert Solution

Answer to Problem 2.10P

Gasoline is a mixture.

Explanation of Solution

It is made up of flammable liquid hydrocarbons derived from crude petroleum. A mixture is a combination of two or more pure substances in any mass ratio. Thus, it is a mixture.

J

Interpretation Introduction

Interpretation:

Whether milk is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

J

Expert Solution

Answer to Problem 2.10P

Milk is a mixture

Explanation of Solution

It contains water, fats, and proteins in indefinite proportions. A mixture is a combination of two or more pure substances in any mass ratio. So, milk is a mixture.

k.

Interpretation Introduction

Interpretation:

Whether carbon dioxide is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

k.

Expert Solution

Answer to Problem 2.10P

Carbon dioxide is a compound.

Explanation of Solution

It is made up of carbon and oxygen in a ratio of 1:2. A compound is a pure substance made up of two or more elements in a fixed ratio by mass. So, it is a compound.

l.

Interpretation Introduction

Interpretation:

Whether bronze is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

l.

Expert Solution

Answer to Problem 2.10P

Bronze is a mixture.

Explanation of Solution

It is an alloy of copper and tin. An alloy is a substance made by melting two or more metals together to enhance the strength. A mixture is a combination of two or more pure substances in any mass ratio. So, it is a mixture.

Answer 6

Chapter 2, Problem 2.10P

(a)

Interpretation Introduction

Interpretation:

Whether the oxygen is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(a)

Expert Solution

Answer to Problem 2.10P

Oxygen is an element.

Explanation of Solution

It contains similar atoms. So, from the definition; the substance having a similar atom is called an element. Therefore, oxygen is an element.

Answer 7

Chapter 2, Problem 2.10P

(a)

Interpretation Introduction

Interpretation:

Whether the oxygen is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

Answer 8

(a)

Expert Solution

Answer to Problem 2.10P

Oxygen is an element.

Answer 9

(a)

Expert Solution

Answer 10

(a)

Expert Solution

Answer 11

Expert Solution

Answer 12

Explanation of Solution

It contains similar atoms. So, from the definition; the substance having a similar atom is called an element. Therefore, oxygen is an element.

Answer 13

(b)

Interpretation Introduction

Interpretation:

Whether table salt is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(b)

Expert Solution

Answer to Problem 2.10P

Table salt is a mixture.

Explanation of Solution

The table salt is 99% sodium chloride, but it has trace elements of other salts present in it. Thus, it is not a compound but it is a mixture.

Answer 14

(b)

Interpretation Introduction

Interpretation:

Whether table salt is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

Answer 15

(b)

Expert Solution

Answer to Problem 2.10P

Table salt is a mixture.

Answer 16

(b)

Expert Solution

Answer 17

(b)

Expert Solution

Answer 18

Expert Solution

Answer 19

Explanation of Solution

The table salt is 99% sodium chloride, but it has trace elements of other salts present in it. Thus, it is not a compound but it is a mixture.

Answer 20

(c)

Interpretation Introduction

Interpretation:

Whether the seawater is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

(c)

Expert Solution

Answer to Problem 2.10P

Sea water is a mixture.

Explanation of Solution

In sea water, different amount of salt and water is present. The salt can be separated by without any chemical process. So, it is a mixture.

Answer 21

(c)

Interpretation Introduction

Interpretation:

Whether the seawater is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

Answer 22

(c)

Expert Solution

Answer to Problem 2.10P

Sea water is a mixture.

Answer 23

(c)

Expert Solution

Answer 24

(c)

Expert Solution

Answer 25

Expert Solution

Answer 26

Explanation of Solution

In sea water, different amount of salt and water is present. The salt can be separated by without any chemical process. So, it is a mixture.

Answer 27

d.

Interpretation Introduction

Interpretation:

Whether wine is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

d.

Expert Solution

Answer to Problem 2.10P

Wine is a mixture.

Explanation of Solution

In wine, different amount of ethyl alcohol and water is present. So, it is a mixture.

Answer 28

d.

Interpretation Introduction

Interpretation:

Whether wine is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

Answer 29

d.

Expert Solution

Answer to Problem 2.10P

Wine is a mixture.

Answer 30

d.

Expert Solution

Answer 31

d.

Expert Solution

Answer 32

Expert Solution

Answer 33

Explanation of Solution

In wine, different amount of ethyl alcohol and water is present. So, it is a mixture.

Answer 34

e.

Interpretation Introduction

Interpretation:

Whether air is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

e.

Expert Solution

Answer to Problem 2.10P

Air is a mixture.

Explanation of Solution

In air different amount of different gasses are present like oxygen, carbon dioxide, and nitrogen. So, it is a mixture.

Answer 35

e.

Interpretation Introduction

Interpretation:

Whether air is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

Answer 36

e.

Expert Solution

Answer to Problem 2.10P

Air is a mixture.

Answer 37

e.

Expert Solution

Answer 38

e.

Expert Solution

Answer 39

Expert Solution

Answer 40

Explanation of Solution

In air different amount of different gasses are present like oxygen, carbon dioxide, and nitrogen. So, it is a mixture.

Answer 41

f.

Interpretation Introduction

Interpretation:

Whether silver is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

f.

Expert Solution

Answer to Problem 2.10P

Silver is an element.

Explanation of Solution

In silver only, identical atoms of silver are present. So, it is an element.

Answer 42

f.

Interpretation Introduction

Interpretation:

Whether silver is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

Answer 43

f.

Expert Solution

Answer to Problem 2.10P

Silver is an element.

Answer 44

f.

Expert Solution

Answer 45

f.

Expert Solution

Answer 46

Expert Solution

Answer 47

Explanation of Solution

In silver only, identical atoms of silver are present. So, it is an element.

Answer 48

g.

Interpretation Introduction

Interpretation:

Whether diamond is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

g.

Expert Solution

Answer to Problem 2.10P

Diamond is a compound.

Explanation of Solution

It is one of the allotropes of carbon. It is made up carbon atoms. So, it is a compound.

Answer 49

g.

Interpretation Introduction

Interpretation:

Whether diamond is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

Answer 50

g.

Expert Solution

Answer to Problem 2.10P

Diamond is a compound.

Answer 51

g.

Expert Solution

Answer 52

g.

Expert Solution

Answer 53

Expert Solution

Answer 54

Explanation of Solution

It is one of the allotropes of carbon. It is made up carbon atoms. So, it is a compound.

Answer 55

h.

Interpretation Introduction

Interpretation:

Whether a pebble is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

h.

Expert Solution

Answer to Problem 2.10P

A pebble is a mixture.

Explanation of Solution

It is composed of fragments of rocks, which are made up of sand, dirt, and various particles in any proportion. A mixture is a combination of two or more pure substances in any mass ratio. So, it is a mixture.

Answer 56

h.

Interpretation Introduction

Interpretation:

Whether a pebble is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

Answer 57

h.

Expert Solution

Answer to Problem 2.10P

A pebble is a mixture.

Answer 58

h.

Expert Solution

Answer 59

h.

Expert Solution

Answer 60

Expert Solution

Answer 61

Explanation of Solution

It is composed of fragments of rocks, which are made up of sand, dirt, and various particles in any proportion. A mixture is a combination of two or more pure substances in any mass ratio. So, it is a mixture.

Answer 62

i.

Interpretation Introduction

Interpretation:

Whether gasoline is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

i.

Expert Solution

Answer to Problem 2.10P

Gasoline is a mixture.

Explanation of Solution

It is made up of flammable liquid hydrocarbons derived from crude petroleum. A mixture is a combination of two or more pure substances in any mass ratio. Thus, it is a mixture.

Answer 63

i.

Interpretation Introduction

Interpretation:

Whether gasoline is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

Answer 64

i.

Expert Solution

Answer to Problem 2.10P

Gasoline is a mixture.

Answer 65

i.

Expert Solution

Answer 66

i.

Expert Solution

Answer 67

Expert Solution

Answer 68

Explanation of Solution

It is made up of flammable liquid hydrocarbons derived from crude petroleum. A mixture is a combination of two or more pure substances in any mass ratio. Thus, it is a mixture.

Answer 69

J

Interpretation Introduction

Interpretation:

Whether milk is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

J

Expert Solution

Answer to Problem 2.10P

Milk is a mixture

Explanation of Solution

It contains water, fats, and proteins in indefinite proportions. A mixture is a combination of two or more pure substances in any mass ratio. So, milk is a mixture.

Answer 70

J

Interpretation Introduction

Interpretation:

Whether milk is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

Answer 71

J

Expert Solution

Answer to Problem 2.10P

Milk is a mixture

Answer 72

J

Expert Solution

Answer 73

J

Expert Solution

Answer 74

Expert Solution

Answer 75

Explanation of Solution

It contains water, fats, and proteins in indefinite proportions. A mixture is a combination of two or more pure substances in any mass ratio. So, milk is a mixture.

Answer 76

k.

Interpretation Introduction

Interpretation:

Whether carbon dioxide is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

k.

Expert Solution

Answer to Problem 2.10P

Carbon dioxide is a compound.

Explanation of Solution

It is made up of carbon and oxygen in a ratio of 1:2. A compound is a pure substance made up of two or more elements in a fixed ratio by mass. So, it is a compound.

Answer 77

k.

Interpretation Introduction

Interpretation:

Whether carbon dioxide is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

Answer 78

k.

Expert Solution

Answer to Problem 2.10P

Carbon dioxide is a compound.

Answer 79

k.

Expert Solution

Answer 80

k.

Expert Solution

Answer 81

Expert Solution

Answer 82

Explanation of Solution

It is made up of carbon and oxygen in a ratio of 1:2. A compound is a pure substance made up of two or more elements in a fixed ratio by mass. So, it is a compound.

Answer 83

l.

Interpretation Introduction

Interpretation:

Whether bronze is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

l.

Expert Solution

Answer to Problem 2.10P

Bronze is a mixture.

Explanation of Solution

It is an alloy of copper and tin. An alloy is a substance made by melting two or more metals together to enhance the strength. A mixture is a combination of two or more pure substances in any mass ratio. So, it is a mixture.

Answer 84

l.

Interpretation Introduction

Interpretation:

Whether bronze is classified as an element, a compound or a mixture should be identified.

Concept Introduction:

The substance having a similar atom is called an element. When two or more elements combined together chemically they form a pure substance called a compound. But in the case of a mixture, it is formed when two substances joined together without any chemical bonding. An example of a compound is H₂O, and an example of an element is N, an example of a mixture is a mixture of sand and sugar.

Answer 85

l.

Expert Solution

Answer to Problem 2.10P

Bronze is a mixture.

Answer 86

l.

Expert Solution

Answer 87

l.

Expert Solution

Answer 88

Expert Solution

Answer 89

Explanation of Solution

It is an alloy of copper and tin. An alloy is a substance made by melting two or more metals together to enhance the strength. A mixture is a combination of two or more pure substances in any mass ratio. So, it is a mixture.

Answer 90

Ch. 2.2 - Problem 2-1 Write the formulas of compounds in...Ch. 2.4 - Problem 2-2 What is the mass number of an atom...Ch. 2.4 - Problem 2-3 Name the elements given in Problem...Ch. 2.4 - Problem 2-4 (a) What are the atomic numbers of...Ch. 2.4 - Prob. 2.5P Ch. 2.4 - Problem 2-6 The atomic weight of lithium is 6.941...Ch. 2.6 - Problem 2-7 Write the Lewis dot structure for the...Ch. 2 - Prob. 2.8P Ch. 2 - 9 Answer true or false. (a) Matter is divided into...Ch. 2 - Prob. 2.10P

Concept explainers

Answer to Problem 2.10P

Explanation of Solution

Answer to Problem 2.10P

Explanation of Solution

Answer to Problem 2.10P

Explanation of Solution

Answer to Problem 2.10P

Explanation of Solution

Answer to Problem 2.10P

Explanation of Solution

Answer to Problem 2.10P

Explanation of Solution

Answer to Problem 2.10P

Explanation of Solution

Answer to Problem 2.10P

Explanation of Solution

Answer to Problem 2.10P

Explanation of Solution

Answer to Problem 2.10P

Explanation of Solution

Answer to Problem 2.10P

Explanation of Solution

Answer to Problem 2.10P

Explanation of Solution

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