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Properties of Gases

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Questions and Answers

What is the primary reason why gases are highly compressible?

The molecules are far apart and have weak intermolecular forces. (correct)

The molecules are in a fixed position and have no kinetic energy.

The molecules have high kinetic energy and are constantly moving.

The molecules are closely packed and have strong intermolecular forces.

Why do gases assume the shape and volume of their container?

Because the molecules are stationary and have no motion.

Because the molecules are in constant random motion and evenly distribute themselves. (correct)

Because the molecules are repelled by the container walls.

Because the molecules are attracted to the container walls.

What is a characteristic of gas molecules that contributes to their compressibility?

Random motion and high density.

Fixed position and low kinetic energy.

High kinetic energy and strong intermolecular forces.

Low kinetic energy and weak intermolecular forces. (correct)

What is the opposite of compressibility in a substance?

Incompressibility Signup and view all the answers

What is the main reason why gases have different properties compared to liquids?

Molecular interaction and kinetic energy. Signup and view all the answers

What property of liquids allows them to assume the shape of their container?

Low surface tension Signup and view all the answers

Why do liquids resist changes in volume?

Due to strong intermolecular forces Signup and view all the answers

What is the main reason why liquids are almost incompressible?

Due to strong intermolecular forces Signup and view all the answers

How do the molecules in a liquid differ from those in a gas?

Liquids have molecules that are closely packed Signup and view all the answers

Why do gases exhibit more compressibility than liquids?

Due to weaker intermolecular forces Signup and view all the answers

What is a characteristic of gases in terms of their volume?

They occupy the full volume of their containers Signup and view all the answers

What happens to the volume of a gas when its container is compressed?

The volume decreases Signup and view all the answers

Which of the following is a consequence of the compressibility of gases?

Gases can be stored in small containers Signup and view all the answers

What is a reason why gases occupy the full volume of their containers?

Weak intermolecular forces Signup and view all the answers

Which of the following is a characteristic of gases that is not true for liquids?

They are highly compressible Signup and view all the answers