KINETIC MOLECULAR THEORY

1. Avogadro's Law states that as the number of molecules increases , the volume _________________

• Increases

• Decreases

• Remains the same

A gas will always _____________ to fill its container.

• expand

• contract

• heat up

• cool down

Which of the following explains why gases are less dense than solids?

• Gases have faster moving particles that are very close together.

• Gases have slow moving particles that are very close together.

• Gases have faster moving particles that are far apart

• Gases have slow moving particles that are close together.

Four different flasks contain gas samples at 298 K. In which of the following samples will the gas molecules be moving the fastest?

• flask 1

• flask 2

• flask 3

• flask 4

Gas particles are in _______________ motion.

• constant

• random

• perpetual

• constant and random