Answer Two categories that are used to classify physical changes are: Reversible Irreversible Explanation Some properties of a material may alter during a physical change but not its chemical composition. Two categories that are used to classify physical changes are: Reversible: In this category, the conversion of matter takes place back and forth between solid, liquid, and gas . For example: melting, freezing. Irreversible: In this category, the matter cannot be put back to its original state. For example, crush and split. Conclusion Two categories that are used to classify physical changes are reversible and irreversible.

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ISBN: 9780133204872

Author: WILBRAHAM

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Question

Definition Definition Substance that constitutes everything in the universe. Matter consists of atoms, which are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction: solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chapter 2.1, Problem 3LC

Interpretation Introduction

Interpretation:Two categories that are used to classify physical changes need to be described.

Concept Introduction:A change that affects the form of a substance but not its chemical composition is said to be physical.

Expert Solution & Answer

Answer to Problem 3LC

Two categories that are used to classify physical changes are:

Reversible
Irreversible

Explanation of Solution

Some properties of a material may alter during a physical change but not its chemical composition. Two categories that are used to classify physical changes are:

Reversible: In this category, the conversion of matter takes place back and forth between solid, liquid, and gas. For example: melting, freezing.
Irreversible: In this category, the matter cannot be put back to its original state. For example, crush and split.

Conclusion

Two categories that are used to classify physical changes are reversible and irreversible.

Chapter 2.1, Problem 2LC

Chapter 2.1, Problem 4LC

Chapter 2 Solutions

EP CHEMISTRY-ETEXT ACCESS

Ch. 2.1 - Prob. 1LC Ch. 2.1 - Prob. 2LC Ch. 2.1 - Prob. 3LC Ch. 2.1 - Prob. 4LC Ch. 2.1 - Prob. 5LC Ch. 2.1 - Prob. 6LC Ch. 2.1 - Prob. 7LC Ch. 2.1 - Prob. 8LC Ch. 2.1 - Prob. 9LC Ch. 2.1 - Prob. 10SP

Ch. 2.1 - Prob. 11SP Ch. 2.2 - Prob. 12LC Ch. 2.2 - Prob. 13LC Ch. 2.2 - Prob. 14LC Ch. 2.2 - Prob. 15LC Ch. 2.2 - Prob. 16LC Ch. 2.2 - Prob. 17LC Ch. 2.2 - Prob. 18LC Ch. 2.2 - Prob. 19LC Ch. 2.3 - Prob. 20SP Ch. 2.3 - Prob. 21SP Ch. 2.3 - Prob. 22LC Ch. 2.3 - Prob. 23LC Ch. 2.3 - Prob. 24LC Ch. 2.3 - Prob. 25LC Ch. 2.3 - Prob. 26LC Ch. 2.3 - Prob. 27LC Ch. 2.3 - Prob. 28LC Ch. 2.3 - Prob. 29LC Ch. 2.3 - Prob. 30LC Ch. 2.3 - Prob. 31LC Ch. 2.4 - Prob. 32LC Ch. 2.4 - Prob. 33LC Ch. 2.4 - Prob. 34LC Ch. 2.4 - Prob. 35LC Ch. 2.4 - Prob. 36LC Ch. 2.4 - Prob. 37LC Ch. 2.4 - Prob. 38LC Ch. 2 - Prob. 39A Ch. 2 - Prob. 40A Ch. 2 - Prob. 41A Ch. 2 - Prob. 42A Ch. 2 - Prob. 43A Ch. 2 - Prob. 44A Ch. 2 - Prob. 45A Ch. 2 - Prob. 46A Ch. 2 - Prob. 47A Ch. 2 - Prob. 48A Ch. 2 - Prob. 49A Ch. 2 - Prob. 50A Ch. 2 - Prob. 51A Ch. 2 - Prob. 52A Ch. 2 - Prob. 53A Ch. 2 - Prob. 54A Ch. 2 - Prob. 55A Ch. 2 - Prob. 56A Ch. 2 - Prob. 57A Ch. 2 - Prob. 58A Ch. 2 - Prob. 59A Ch. 2 - Prob. 60A Ch. 2 - Prob. 61A Ch. 2 - Prob. 62A Ch. 2 - Prob. 63A Ch. 2 - Prob. 64A Ch. 2 - Prob. 65A Ch. 2 - Prob. 66A Ch. 2 - Prob. 67A Ch. 2 - Prob. 68A Ch. 2 - Prob. 69A Ch. 2 - Prob. 70A Ch. 2 - Prob. 71A Ch. 2 - Prob. 72A Ch. 2 - Prob. 73A Ch. 2 - Prob. 74A Ch. 2 - Prob. 75A Ch. 2 - Prob. 76A Ch. 2 - Prob. 77A Ch. 2 - Prob. 78A Ch. 2 - Prob. 79A Ch. 2 - Prob. 80A Ch. 2 - Prob. 81A Ch. 2 - Prob. 82A Ch. 2 - Prob. 83A Ch. 2 - Prob. 84A Ch. 2 - Prob. 85A Ch. 2 - Prob. 86A Ch. 2 - Prob. 87A Ch. 2 - Prob. 88A Ch. 2 - Prob. 89A Ch. 2 - Prob. 90A Ch. 2 - Prob. 93A Ch. 2 - Prob. 94A Ch. 2 - Prob. 95A Ch. 2 - Prob. 1STP Ch. 2 - Prob. 2STP Ch. 2 - Prob. 3STP Ch. 2 - Prob. 4STP Ch. 2 - Prob. 5STP Ch. 2 - Prob. 6STP Ch. 2 - Prob. 7STP Ch. 2 - Prob. 8STP Ch. 2 - Prob. 9STP Ch. 2 - Prob. 10STP Ch. 2 - Prob. 11STP Ch. 2 - Prob. 12STP Ch. 2 - Prob. 13STP Ch. 2 - Prob. 14STP

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