Dirt has to be classified as a compound or an element. Concept Introduction: Pure substance: A single component that has a constant composition, irrespective of the sample size and the sample origin is called as pure substance. A pure substance could not be broken down to other pure substances by any physical change. Example: Water, sugar etc. A pure substance can be classified into an element and a compound. Element: A pure substance, which cannot be broken down into smaller substances by a chemical reaction is called as an element. Example: Hydrogen gas, Magnesium ribbon and copper wire etc. Compound: A pure substance that is formed by combination of two or more elements by chemical process is called as a compound. Example: Sodium chloride is a compound because it is formed from elements sodium and chlorine.

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Answer 1

Question

Chapter 3, Problem 18PE

(a)

Interpretation Introduction

Interpretation:

Dirt has to be classified as a compound or an element.

Concept Introduction:

Pure substance: A single component that has a constant composition, irrespective of the sample size and the sample origin is called as pure substance. A pure substance could not be broken down to other pure substances by any physical change.

Example: Water, sugar etc.

A pure substance can be classified into an element and a compound.

Element: A pure substance, which cannot be broken down into smaller substances by a chemical reaction is called as an element.

Example: Hydrogen gas, Magnesium ribbon and copper wire etc.

Compound: A pure substance that is formed by combination of two or more elements by chemical process is called as a compound. Example: Sodium chloride is a compound because it is formed from elements sodium and chlorine.

(b)

Interpretation Introduction

Interpretation:

Salad dressing has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

Tungsten has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

Dinitrogen monoxide has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(e)

Interpretation Introduction

Interpretation:

Brass has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(f)

Interpretation Introduction

Interpretation:

Egg has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

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Answer 2

Question

Chapter 3, Problem 18PE

(a)

Interpretation Introduction

Interpretation:

Dirt has to be classified as a compound or an element.

Concept Introduction:

Pure substance: A single component that has a constant composition, irrespective of the sample size and the sample origin is called as pure substance. A pure substance could not be broken down to other pure substances by any physical change.

Example: Water, sugar etc.

A pure substance can be classified into an element and a compound.

Element: A pure substance, which cannot be broken down into smaller substances by a chemical reaction is called as an element.

Example: Hydrogen gas, Magnesium ribbon and copper wire etc.

Compound: A pure substance that is formed by combination of two or more elements by chemical process is called as a compound. Example: Sodium chloride is a compound because it is formed from elements sodium and chlorine.

(b)

Interpretation Introduction

Interpretation:

Salad dressing has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

Tungsten has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

Dinitrogen monoxide has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(e)

Interpretation Introduction

Interpretation:

Brass has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(f)

Interpretation Introduction

Interpretation:

Egg has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

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Answer 3

Question

Chapter 3, Problem 18PE

(a)

Interpretation Introduction

Interpretation:

Dirt has to be classified as a compound or an element.

Concept Introduction:

Pure substance: A single component that has a constant composition, irrespective of the sample size and the sample origin is called as pure substance. A pure substance could not be broken down to other pure substances by any physical change.

Example: Water, sugar etc.

A pure substance can be classified into an element and a compound.

Element: A pure substance, which cannot be broken down into smaller substances by a chemical reaction is called as an element.

Example: Hydrogen gas, Magnesium ribbon and copper wire etc.

Compound: A pure substance that is formed by combination of two or more elements by chemical process is called as a compound. Example: Sodium chloride is a compound because it is formed from elements sodium and chlorine.

(b)

Interpretation Introduction

Interpretation:

Salad dressing has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

Tungsten has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

Dinitrogen monoxide has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(e)

Interpretation Introduction

Interpretation:

Brass has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(f)

Interpretation Introduction

Interpretation:

Egg has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

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Answer 4

Question

Chapter 3, Problem 18PE

(a)

Interpretation Introduction

Interpretation:

Dirt has to be classified as a compound or an element.

Concept Introduction:

Pure substance: A single component that has a constant composition, irrespective of the sample size and the sample origin is called as pure substance. A pure substance could not be broken down to other pure substances by any physical change.

Example: Water, sugar etc.

A pure substance can be classified into an element and a compound.

Element: A pure substance, which cannot be broken down into smaller substances by a chemical reaction is called as an element.

Example: Hydrogen gas, Magnesium ribbon and copper wire etc.

Compound: A pure substance that is formed by combination of two or more elements by chemical process is called as a compound. Example: Sodium chloride is a compound because it is formed from elements sodium and chlorine.

(b)

Interpretation Introduction

Interpretation:

Salad dressing has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

Tungsten has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

Dinitrogen monoxide has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(e)

Interpretation Introduction

Interpretation:

Brass has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(f)

Interpretation Introduction

Interpretation:

Egg has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

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Answer 5

Chapter 3, Problem 18PE

(a)

Interpretation Introduction

Interpretation:

Dirt has to be classified as a compound or an element.

Concept Introduction:

Pure substance: A single component that has a constant composition, irrespective of the sample size and the sample origin is called as pure substance. A pure substance could not be broken down to other pure substances by any physical change.

Example: Water, sugar etc.

A pure substance can be classified into an element and a compound.

Element: A pure substance, which cannot be broken down into smaller substances by a chemical reaction is called as an element.

Example: Hydrogen gas, Magnesium ribbon and copper wire etc.

Compound: A pure substance that is formed by combination of two or more elements by chemical process is called as a compound. Example: Sodium chloride is a compound because it is formed from elements sodium and chlorine.

(b)

Interpretation Introduction

Interpretation:

Salad dressing has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

Tungsten has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

Dinitrogen monoxide has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(e)

Interpretation Introduction

Interpretation:

Brass has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

(f)

Interpretation Introduction

Interpretation:

Egg has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Answer 6

Chapter 3, Problem 18PE

(a)

Interpretation Introduction

Interpretation:

Dirt has to be classified as a compound or an element.

Concept Introduction:

Pure substance: A single component that has a constant composition, irrespective of the sample size and the sample origin is called as pure substance. A pure substance could not be broken down to other pure substances by any physical change.

Example: Water, sugar etc.

A pure substance can be classified into an element and a compound.

Element: A pure substance, which cannot be broken down into smaller substances by a chemical reaction is called as an element.

Example: Hydrogen gas, Magnesium ribbon and copper wire etc.

Compound: A pure substance that is formed by combination of two or more elements by chemical process is called as a compound. Example: Sodium chloride is a compound because it is formed from elements sodium and chlorine.

Answer 7

Chapter 3, Problem 18PE

(a)

Interpretation Introduction

Interpretation:

Dirt has to be classified as a compound or an element.

Concept Introduction:

Pure substance: A single component that has a constant composition, irrespective of the sample size and the sample origin is called as pure substance. A pure substance could not be broken down to other pure substances by any physical change.

Example: Water, sugar etc.

A pure substance can be classified into an element and a compound.

Element: A pure substance, which cannot be broken down into smaller substances by a chemical reaction is called as an element.

Example: Hydrogen gas, Magnesium ribbon and copper wire etc.

Compound: A pure substance that is formed by combination of two or more elements by chemical process is called as a compound. Example: Sodium chloride is a compound because it is formed from elements sodium and chlorine.

Answer 8

(b)

Interpretation Introduction

Interpretation:

Salad dressing has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Answer 9

(b)

Interpretation Introduction

Interpretation:

Salad dressing has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Answer 10

(c)

Interpretation Introduction

Interpretation:

Tungsten has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Answer 11

(c)

Interpretation Introduction

Interpretation:

Tungsten has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Answer 12

(d)

Interpretation Introduction

Interpretation:

Dinitrogen monoxide has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Answer 13

(d)

Interpretation Introduction

Interpretation:

Dinitrogen monoxide has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Answer 14

(e)

Interpretation Introduction

Interpretation:

Brass has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Answer 15

(e)

Interpretation Introduction

Interpretation:

Brass has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Answer 16

(f)

Interpretation Introduction

Interpretation:

Egg has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Answer 17

(f)

Interpretation Introduction

Interpretation:

Egg has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Answer 18

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Answer 19

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Answer 20

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Answer 21

Ch. 3.1 - Prob. 3.1P Ch. 3.2 - Prob. 3.2P Ch. 3.2 - Prob. 3.3P Ch. 3.2 - Prob. 3.4P Ch. 3.3 - Prob. 3.5P Ch. 3.3 - Prob. 3.6P Ch. 3 - Prob. 1RQ Ch. 3 - Prob. 2RQ Ch. 3 - Prob. 3RQ Ch. 3 - Prob. 4RQ

Solution Summary: The author explains that Dirt has to be classified as a compound or an element.

Interpretation:

Salad dressing has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Interpretation:

Tungsten has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Interpretation:

Dinitrogen monoxide has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Interpretation:

Brass has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Interpretation:

Egg has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

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Chapter 3 Solutions

Solution Summary: The author explains that Dirt has to be classified as a compound or an element.

Interpretation: Salad dressing has to be classified as a compound or an element. Concept Introduction: Refer to part (a).

Interpretation: Tungsten has to be classified as a compound or an element. Concept Introduction: Refer to part (a).

Interpretation: Dinitrogen monoxide has to be classified as a compound or an element. Concept Introduction: Refer to part (a).

Interpretation: Brass has to be classified as a compound or an element. Concept Introduction: Refer to part (a).

Interpretation: Egg has to be classified as a compound or an element. Concept Introduction: Refer to part (a).

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Chapter 3 Solutions

Interpretation:

Salad dressing has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Interpretation:

Tungsten has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Interpretation:

Dinitrogen monoxide has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Interpretation:

Brass has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).

Interpretation:

Egg has to be classified as a compound or an element.

Concept Introduction:

Refer to part (a).