Conceptual Physical Science Explorations
Conceptual Physical Science Explorations
2nd Edition
ISBN: 9780321567918
Author: Paul G. Hewitt, Leslie A. Hewitt, John A Suchocki
Publisher: Addison Wesley
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Kinetic Theory of Gas
The Kinetic Theory of gases is a classical model of gases, according to which gases are composed of molecules/particles that are in random motion. While undergoing this random motion, kinetic energy in molecules can assume random velocity across all dire…
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Question
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Chapter 17, Problem 4TE
To determine

The change that occurs when cotton ball dipped in alcohol is rubbed on table top

Expert Solution & Answer
Check Mark

Answer to Problem 4TE

Alcohol molecules evaporate. It is a physical change.

Explanation of Solution

Alcohol is a very volatile liquid, when it is rubbed on table top, due to large surface area it evaporates immediately. As its state is changing from liquid to gas, it is a physical change.

The basic structure of molecules is not changing; hence it is not a chemical change.

Conclusion:

Therefore, alcohol will evaporate immediately and it is physical change.

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Chapter 17, Problem 3TE
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Chapter 17, Problem 5TE

Chapter 17 Solutions

Conceptual Physical Science Explorations

Ch. 17 - Prob. 1RQCh. 17 - Prob. 2RQCh. 17 - What do the members of the Chemical Manufacturers...Ch. 17 - Prob. 4RQCh. 17 - How does the arrangement of particles in a gas...Ch. 17 - Prob. 6RQCh. 17 - What is it called when evaporation occurs beneath...Ch. 17 - Which is greater: waters heat of fusion or its...Ch. 17 - What happens to the chemical identity of a...Ch. 17 - What is a chemical bond?
Ch. 17 - What changes during a chemical reaction?Ch. 17 - Prob. 12RQCh. 17 - Why is the rusting of iron considered to be a...Ch. 17 - Prob. 14RQCh. 17 - Prob. 15RQCh. 17 - Prob. 16RQCh. 17 - What is the difference between an element and a...Ch. 17 - What does the chemical formula of a substance tell...Ch. 17 - What is the chemical formula for the compound...Ch. 17 - Why are common names often used for chemical...Ch. 17 - Water molecules vibrate and jostle about at...Ch. 17 - Prob. 2TCCh. 17 - Prob. 3TCCh. 17 - Prob. 1TECh. 17 - Of the three sciences physics, chemistry, and...Ch. 17 - Prob. 3TECh. 17 - Prob. 4TECh. 17 - Prob. 5TECh. 17 - Prob. 6TECh. 17 - Prob. 7TECh. 17 - Which has stronger attractions among its...Ch. 17 - Which occupies the greatest volume: 1 g of liquid...Ch. 17 - Prob. 10TECh. 17 - You take 50mL of water and combine it with 50mL of...Ch. 17 - Prob. 12TECh. 17 - What physical and chemical changes occur when a...Ch. 17 - Prob. 14TECh. 17 - Prob. 15TECh. 17 - Prob. 16TECh. 17 - Oxygen atoms are used to make water molecules....Ch. 17 - Prob. 18TECh. 17 - What is the chemical name for a compound with the...Ch. 17 - Prob. 20TECh. 17 - Chemistry is the study of (a) matter. (b)...Ch. 17 - Imagine that you can see individual molecules. You...Ch. 17 - What chemical change occurs when a wax candle...Ch. 17 - The phase in which atoms and molecules no longer...Ch. 17 - Prob. 5RATCh. 17 - Prob. 6RATCh. 17 - Prob. 7RATCh. 17 - If you have one molecule ofTiO2 , how many...Ch. 17 - Prob. 9RATCh. 17 - Prob. 10RAT

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