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Gas Properties and Characteristics Quiz

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Questions and Answers

What is the unit of measurement for the amount of matter in a body?

Gram (correct)

Liter

Kelvin

Millimeter

Which of the following gases is an example of a monatomic gas?

Ne (correct)

What is the main assumption of the Kinetic Molecular Theory?

Gases have a high density compared to solids and liquids

Gases have a definite shape and size

Gases have strong intermolecular attractions

Gas particles are in constant motion and exhibit perfectly elastic collisions (correct)

What happens to a gas when it is heated?

It expands and becomes less dense Signup and view all the answers

What is the relationship between the average kinetic energy of a gas and its absolute temperature?

The average kinetic energy is directly proportional to the absolute temperature Signup and view all the answers

Why do gases mix evenly and completely when contained?

Because of the negligible intermolecular attractions between particles Signup and view all the answers

What is the unit of absolute temperature?

Kelvin Signup and view all the answers

What is the relationship between pressure and volume of a given gas at constant temperature?

Inversely proportional Signup and view all the answers

What happens to the volume of a fixed amount of gas when its temperature increases at constant pressure?

It increases Signup and view all the answers

What is a chemical reaction?

The breaking and making of bonds between atoms to produce new substances Signup and view all the answers

What is an example of evidence of a chemical reaction?

All of the above Signup and view all the answers

What is a catalyst in a chemical reaction?

A substance that speeds up the reaction Signup and view all the answers