(a) Interpretation: The copper wire is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture. Concept introduction: An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

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Answer 1

Question

Chapter 3, Problem 15E

Interpretation Introduction

(a)

Interpretation:

The copper wire is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(b)

Interpretation:

The copper ore is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(c)

Interpretation:

The copper oxide is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(d)

Interpretation:

The brass alloy is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

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From the following potentials, calculate the activity of Cl- in saturated KCl. E0 (calomel electrode)= 0.268 V E (calomel electrode, saturated KCl)= 0.241 V

Calculate the voltage of each of the following cells. a) Fe(s)/Fe2+ (1.55 x 10-2 M)//Cu2+ (6.55 x 10-3 M)/Cu(s) b) Pt, H2 (0.255 bar)/HCl (4.55 x 10-4 M), AgCl (sat'd)/Ag Fe2+ +2e- = Fe E0= -0.44 V Cu2+ + 2e- = Cu E0= 0.337 V Ag+ + e- = Ag E0= 0.799 V AgCl(s) + e- = Ag(s) + Cl- E0= 0.222 V 2H+ + 2e- = H2 E0= 0.000 V

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Answer 2

Question

Chapter 3, Problem 15E

Interpretation Introduction

(a)

Interpretation:

The copper wire is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(b)

Interpretation:

The copper ore is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(c)

Interpretation:

The copper oxide is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(d)

Interpretation:

The brass alloy is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

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Answer 3

Question

Chapter 3, Problem 15E

Interpretation Introduction

(a)

Interpretation:

The copper wire is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(b)

Interpretation:

The copper ore is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(c)

Interpretation:

The copper oxide is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(d)

Interpretation:

The brass alloy is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

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Answer 4

Question

Chapter 3, Problem 15E

Interpretation Introduction

(a)

Interpretation:

The copper wire is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(b)

Interpretation:

The copper ore is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(c)

Interpretation:

The copper oxide is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(d)

Interpretation:

The brass alloy is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

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Answer 5

Chapter 3, Problem 15E

Interpretation Introduction

(a)

Interpretation:

The copper wire is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(b)

Interpretation:

The copper ore is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(c)

Interpretation:

The copper oxide is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Interpretation Introduction

(d)

Interpretation:

The brass alloy is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Answer 6

Chapter 3, Problem 15E

Interpretation Introduction

(a)

Interpretation:

The copper wire is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Answer 7

Chapter 3, Problem 15E

Interpretation Introduction

(a)

Interpretation:

The copper wire is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The copper ore is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The copper ore is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The copper oxide is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The copper oxide is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The brass alloy is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The brass alloy is to be classified as an element, compound, homogeneous mixture, or heterogeneous mixture.

Concept introduction:

An element is the basic unit of a substance that cannot be broken down into any smaller units. A compound is made up of elements through the formation of chemical bonds and it can be broken down into the constituent elements. A mixture is made up of elements but without the formation of chemical bonds between them. Mixture exhibits the property of its constituent elements. Two types of mixtures are there: homogenous and heterogeneous. Homogeneous mixtures are uniform and have fixed compositions. On the other hand, heterogeneous mixtures are non uniform and their composition is not fixed.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 3 - Prob. 1CE Ch. 3 - Prob. 2CE Ch. 3 - Prob. 3CE Ch. 3 - Prob. 4CE Ch. 3 - Prob. 5CE Ch. 3 - Prob. 6CE Ch. 3 - Prob. 7CE Ch. 3 - Prob. 8CE Ch. 3 - Prob. 9CE Ch. 3 - Prob. 10CE

Solution Summary: The author explains that the copper wire is classified as an element.

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