Answer When any change in reaction does not modify the composition of any substance, called physical change. Chemical change is defined as a change where one or more than two substances are changed into other new substances. The combustion of gasoline is categorized in a chemical change. In this process, gasoline is changed into other substances throughout combustion. Explanation The difference between a physical and a chemical change are mentioned below: Physical change Chemical change In the physical changes, the change is for a short duration. These changes are permanent. There is very little quantity in were absorption of the heat. In chemical changes absorption and loss of energy take place. The physical changes, there is only phase transfer take place. The chemical changes are irreversible. In the physical changes, no production of energy takes place. In the chemical changes, the energy produces in the form of light, heat, etc. The combustion process is a chemical change because, in this process, a new product is formed. Also, the evolution of gases and energy loss takes place. In the combustion process of gasoline, water is formed as a new product and carbon dioxide gas releases. Conclusion Chemical change and physical change describe the different nature of substances. The combustion process is a chemical change because, in this process, a new product is formed which is different from an original product.

1st Edition

ISBN: 9780078746376

Author: Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher: Glencoe/McGraw-Hill School Pub Co

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Question

Chapter 3, Problem 16STP

Interpretation Introduction

Interpretation:

Difference between a chemical change and a physical change. Whether the combination of gasoline a chemical change or a physical change or not.

Concept introduction:

The chemical change, in which, the new product is formed and the absorption of energy or the loss of energies are in a different form.

A physical change is defined when the composition of substance does not change. Only state transfer takes place in the physical change.

Expert Solution & Answer

Answer to Problem 16STP

When any change in reaction does not modify the composition of any substance, called physical change.

Chemical change is defined as a change where one or more than two substances are changed into other new substances.

The combustion of gasoline is categorized in a chemical change. In this process, gasoline is changed into other substances throughout combustion.

Explanation of Solution

The difference between a physical and a chemical change are mentioned below:

Physical change	Chemical change
In the physical changes, the change is for a short duration.	These changes are permanent.
There is very little quantity in were absorption of the heat.	In chemical changes absorption and loss of energy take place.
The physical changes, there is only phase transfer take place.	The chemical changes are irreversible.
In the physical changes, no production of energy takes place.	In the chemical changes, the energy produces in the form of light, heat, etc.

The combustion process is a chemical change because, in this process, a new product is formed. Also, the evolution of gases and energy loss takes place. In the combustion process of gasoline, water is formed as a new product and carbon dioxide gas releases.

Conclusion

Chemical change and physical change describe the different nature of substances. The combustion process is a chemical change because, in this process, a new product is formed which is different from an original product.

Chapter 3, Problem 15STP

Chapter 3, Problem 17STP

Chapter 3 Solutions

Chemistry: Matter and Change

Ch. 3.1 - Prob. 1SSC Ch. 3.1 - Prob. 2SSC Ch. 3.1 - Prob. 3SSC Ch. 3.1 - Prob. 4SSC Ch. 3.2 - Prob. 5PP Ch. 3.2 - Prob. 6PP Ch. 3.2 - Prob. 7PP Ch. 3.2 - Prob. 8PP Ch. 3.2 - Prob. 9PP Ch. 3.2 - Prob. 10SSC

Ch. 3.2 - Prob. 11SSC Ch. 3.2 - Prob. 12SSC Ch. 3.2 - Prob. 13SSC Ch. 3.2 - Prob. 14SSC Ch. 3.3 - Prob. 15SSC Ch. 3.3 - Prob. 16SSC Ch. 3.3 - Prob. 17SSC Ch. 3.3 - Prob. 18SSC Ch. 3.4 - Prob. 19PP Ch. 3.4 - Prob. 20PP Ch. 3.4 - Prob. 21PP Ch. 3.4 - Prob. 22PP Ch. 3.4 - Prob. 23PP Ch. 3.4 - Prob. 24SSC Ch. 3.4 - Prob. 25SSC Ch. 3.4 - Prob. 26SSC Ch. 3.4 - Prob. 27SSC Ch. 3.4 - Prob. 28SSC Ch. 3.4 - Prob. 29SSC Ch. 3.4 - Prob. 30SSC Ch. 3 - Prob. 31A Ch. 3 - Prob. 32A Ch. 3 - Prob. 33A Ch. 3 - Prob. 34A Ch. 3 - Prob. 35A Ch. 3 - Prob. 36A Ch. 3 - Prob. 37A Ch. 3 - Prob. 38A Ch. 3 - Prob. 39A Ch. 3 - Prob. 40A Ch. 3 - Prob. 41A Ch. 3 - Prob. 42A Ch. 3 - Prob. 43A Ch. 3 - Prob. 44A Ch. 3 - Prob. 45A Ch. 3 - List four indicators that a chemical change has...Ch. 3 - Rust Iron and oxygen combine to form iron oxide,...Ch. 3 - Burning Candle After burning for three hours, a...Ch. 3 - Prob. 49A Ch. 3 - Ammonia Production A 28.0-g sample of nitrogen gas...Ch. 3 - Prob. 51A Ch. 3 - Prob. 52A Ch. 3 - Prob. 53A Ch. 3 - Prob. 54A Ch. 3 - Prob. 55A Ch. 3 - Prob. 56A Ch. 3 - Prob. 57A Ch. 3 - Prob. 58A Ch. 3 - Prob. 59A Ch. 3 - Which of the following are the same and which are...Ch. 3 - Describe how a homogeneous mixture differs from a...Ch. 3 - Seawater is composed of salt, sand, and water. Is...Ch. 3 - Iced Tea Use iced tea with and without ice cubes...Ch. 3 - Prob. 64A Ch. 3 - Prob. 65A Ch. 3 - Prob. 66A Ch. 3 - Prob. 67A Ch. 3 - Prob. 68A Ch. 3 - Prob. 69A Ch. 3 - Prob. 70A Ch. 3 - Prob. 71A Ch. 3 - Prob. 72A Ch. 3 - Prob. 73A Ch. 3 - Prob. 74A Ch. 3 - Prob. 75A Ch. 3 - Prob. 76A Ch. 3 - Prob. 77A Ch. 3 - Prob. 78A Ch. 3 - Prob. 79A Ch. 3 - Prob. 80A Ch. 3 - Prob. 81A Ch. 3 - Prob. 82A Ch. 3 - Prob. 83A Ch. 3 - Prob. 84A Ch. 3 - Prob. 85A Ch. 3 - Prob. 86A Ch. 3 - Prob. 87A Ch. 3 - Prob. 88A Ch. 3 - Prob. 89A Ch. 3 - Prob. 90A Ch. 3 - Prob. 91A Ch. 3 - Prob. 92A Ch. 3 - Prob. 93A Ch. 3 - Prob. 94A Ch. 3 - Prob. 95A Ch. 3 - Prob. 96A Ch. 3 - Prob. 97A Ch. 3 - Prob. 98A Ch. 3 - Prob. 99A Ch. 3 - Prob. 100A Ch. 3 - Prob. 101A Ch. 3 - Prob. 102A Ch. 3 - Prob. 103A Ch. 3 - Prob. 105A Ch. 3 - Prob. 106A Ch. 3 - Prob. 107A Ch. 3 - Prob. 1STP Ch. 3 - Prob. 2STP Ch. 3 - Prob. 3STP Ch. 3 - Prob. 4STP Ch. 3 - Prob. 5STP Ch. 3 - Prob. 6STP Ch. 3 - Prob. 7STP Ch. 3 - Prob. 8STP Ch. 3 - Prob. 9STP Ch. 3 - Prob. 10STP Ch. 3 - Prob. 11STP Ch. 3 - Prob. 12STP Ch. 3 - Prob. 13STP Ch. 3 - Prob. 14STP Ch. 3 - Prob. 15STP Ch. 3 - Prob. 16STP Ch. 3 - Prob. 17STP Ch. 3 - Prob. 18STP Ch. 3 - Prob. 19STP

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