A seed growing into a plant has to be defined as a chemical change or a physical change. Concept Introduction: Chemical change: When a substance gets converted to different kinds of matter, it is said to be chemical change. Physical change: When a substance undergoes change, without change in its composition, it is said to be physical change.

Question

Which of the following processes is a physical change? (a) evaporation of water; (b) combination ofhydrogen and oxygen gas to produce water; (c) dissolution of sugar in water; (d) separation of sodium chloride (table salt) into its constituentelements, sodium and chlorine; (e) combustion of sugar to produce carbon dioxide and water.

Answer 1

Question

Chapter 1, Problem 1.30QE

(a)

Interpretation Introduction

Interpretation:

A seed growing into a plant has to be defined as a chemical change or a physical change.

Concept Introduction:

Chemical change:

When a substance gets converted to different kinds of matter, it is said to be chemical change.

Physical change:

When a substance undergoes change, without change in its composition, it is said to be physical change.

(b)

Interpretation Introduction

Interpretation:

Distillation of alcohol has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

(c)

Interpretation Introduction

Interpretation:

Mixing an Alka-Seltzer tablet with water has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

(d)

Interpretation Introduction

Interpretation:

Hammering iron into a horseshoe has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

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Which of the following processes is a physical change? (a) evaporation of water; (b) combination ofhydrogen and oxygen gas to produce water; (c) dissolution of sugar in water; (d) separation of sodium chloride (table salt) into its constituentelements, sodium and chlorine; (e) combustion of sugar to produce carbon dioxide and water.

Classify each property as physical or chemical. (a) the tendency for platinum jewelry to scratch easily(b) the ability of sulfuric acid to burn the skin(c) the ability of hydrogen peroxide to bleach hair(d) the density of lead relative to other metals

Define physical change and chemical change. State which type of change occurs in each of the following statements: (a) Passing an electric current through molten magnesium chloride yields molten magnesium and gaseous chlorine. (b) The iron in discarded automobiles slowly forms reddish brown, crumbly rust.

Answer 2

Question

Chapter 1, Problem 1.30QE

(a)

Interpretation Introduction

Interpretation:

A seed growing into a plant has to be defined as a chemical change or a physical change.

Concept Introduction:

Chemical change:

When a substance gets converted to different kinds of matter, it is said to be chemical change.

Physical change:

When a substance undergoes change, without change in its composition, it is said to be physical change.

(b)

Interpretation Introduction

Interpretation:

Distillation of alcohol has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

(c)

Interpretation Introduction

Interpretation:

Mixing an Alka-Seltzer tablet with water has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

(d)

Interpretation Introduction

Interpretation:

Hammering iron into a horseshoe has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

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Answer 3

Question

Chapter 1, Problem 1.30QE

(a)

Interpretation Introduction

Interpretation:

A seed growing into a plant has to be defined as a chemical change or a physical change.

Concept Introduction:

Chemical change:

When a substance gets converted to different kinds of matter, it is said to be chemical change.

Physical change:

When a substance undergoes change, without change in its composition, it is said to be physical change.

(b)

Interpretation Introduction

Interpretation:

Distillation of alcohol has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

(c)

Interpretation Introduction

Interpretation:

Mixing an Alka-Seltzer tablet with water has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

(d)

Interpretation Introduction

Interpretation:

Hammering iron into a horseshoe has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

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Answer 4

Question

Chapter 1, Problem 1.30QE

(a)

Interpretation Introduction

Interpretation:

A seed growing into a plant has to be defined as a chemical change or a physical change.

Concept Introduction:

Chemical change:

When a substance gets converted to different kinds of matter, it is said to be chemical change.

Physical change:

When a substance undergoes change, without change in its composition, it is said to be physical change.

(b)

Interpretation Introduction

Interpretation:

Distillation of alcohol has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

(c)

Interpretation Introduction

Interpretation:

Mixing an Alka-Seltzer tablet with water has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

(d)

Interpretation Introduction

Interpretation:

Hammering iron into a horseshoe has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

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Answer 5

Chapter 1, Problem 1.30QE

(a)

Interpretation Introduction

Interpretation:

A seed growing into a plant has to be defined as a chemical change or a physical change.

Concept Introduction:

Chemical change:

When a substance gets converted to different kinds of matter, it is said to be chemical change.

Physical change:

When a substance undergoes change, without change in its composition, it is said to be physical change.

(b)

Interpretation Introduction

Interpretation:

Distillation of alcohol has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

(c)

Interpretation Introduction

Interpretation:

Mixing an Alka-Seltzer tablet with water has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

(d)

Interpretation Introduction

Interpretation:

Hammering iron into a horseshoe has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

Answer 6

Chapter 1, Problem 1.30QE

(a)

Interpretation Introduction

Interpretation:

A seed growing into a plant has to be defined as a chemical change or a physical change.

Concept Introduction:

Chemical change:

When a substance gets converted to different kinds of matter, it is said to be chemical change.

Physical change:

When a substance undergoes change, without change in its composition, it is said to be physical change.

Answer 7

Chapter 1, Problem 1.30QE

(a)

Interpretation Introduction

Interpretation:

A seed growing into a plant has to be defined as a chemical change or a physical change.

Concept Introduction:

Chemical change:

When a substance gets converted to different kinds of matter, it is said to be chemical change.

Physical change:

When a substance undergoes change, without change in its composition, it is said to be physical change.

Answer 8

(b)

Interpretation Introduction

Interpretation:

Distillation of alcohol has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

Answer 9

(b)

Interpretation Introduction

Interpretation:

Distillation of alcohol has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

Answer 10

(c)

Interpretation Introduction

Interpretation:

Mixing an Alka-Seltzer tablet with water has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

Answer 11

(c)

Interpretation Introduction

Interpretation:

Mixing an Alka-Seltzer tablet with water has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

Answer 12

(d)

Interpretation Introduction

Interpretation:

Hammering iron into a horseshoe has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

Answer 13

(d)

Interpretation Introduction

Interpretation:

Hammering iron into a horseshoe has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

Answer 14

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Answer 15

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Answer 25

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Solution Summary: The author explains that a seed growing into 'a plant' has to be defined as chemical change or physical change, while mixing an Alka-Seltzer tablet with water.

Concept explainers

Videos

Interpretation:

Distillation of alcohol has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

Interpretation:

Mixing an Alka-Seltzer tablet with water has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

Interpretation:

Hammering iron into a horseshoe has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

Chapter 1 Solutions

Solution Summary: The author explains that a seed growing into 'a plant' has to be defined as chemical change or physical change, while mixing an Alka-Seltzer tablet with water.

Concept explainers

Videos

Interpretation: Distillation of alcohol has to be defined as a chemical change or a physical change. Concept Introduction: Refer to part-a.

Interpretation: Mixing an Alka-Seltzer tablet with water has to be defined as a chemical change or a physical change. Concept Introduction: Refer to part-a.

Interpretation: Hammering iron into a horseshoe has to be defined as a chemical change or a physical change. Concept Introduction: Refer to part-a.

Chapter 1 Solutions

Interpretation:

Distillation of alcohol has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

Interpretation:

Mixing an Alka-Seltzer tablet with water has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.

Interpretation:

Hammering iron into a horseshoe has to be defined as a chemical change or a physical change.

Concept Introduction:

Refer to part-a.