Kinetic molecular theory

Multiple Choice

Gas pressure is caused by

• gas molecules colliding with surfaces
• gas molecules condensing to a liquid
• gas molecules hitting other gas molecule
• barometers

Multiple Choice

This question is about the Maxwell–Boltzmann distribution of molecular energies in a sample of a gas shown in the figure below.

What does the area under the curve represent?

• The total energy of the particles.

• The total number of particles.

• The number of particles that can react with each other.

• The total number of particles that have activation energy.

Multiple Choice

Which of the following is an assumption of the kinetic-molecular theory of gases?

• Collisions between gas particles are inelastic.

• Gases consist of closely spaced particles.

• Gas particles move around in an orderly manner.

• The temperature of a gas depends on the average kinetic energy of the gas particles.

Multiple Choice

Which is NOT an assumption made by the kinetic molecular theory of gases?

• Gas particles are small and take up little volume
• Particles travel in constant, random, straight-line motion until colliding
• When particles collide, their total kinetic energy is decreased
• Particles do not attract or repel each other

Multiple Choice

The movement of gas molecules is greatly affected by _________.

• the shape of the container
• size of the container
• temperature of the container

Multiple Choice

• A

• B

• C

• D

Multiple Choice

Which temperature has the highest average particle speed?

• - 100 C

• 100 C

• 500 C

• The particle speed is constant