Kinetic-Molecular Theory and Gas Properties Quiz

What is the primary assumption of the kinetic-molecular theory regarding the distance between gas particles?

• Gas particles are very close together
• Gas particles are far apart compared to their size
• Gas particles are in fixed positions
• Gas particles are in a liquid state

Which of the following best describes the motion of gas particles according to the kinetic-molecular theory?

• They move in circular paths
• They are stationary
• They move in random straight-line motion
• They move only when heated

What happens to the kinetic energy of gas particles as the temperature of the gas increases?

• It decreases
• It remains constant
• It increases
• It fluctuates randomly

In an elastic collision between gas particles, what happens to the total kinetic energy?

• It is lost
• It is gained
• It remains the same
• It is converted to potential energy

Why are gases considered to have no forces of attraction or repulsion between their particles?

• Because they are too far apart
• Because they are in a liquid state
• Because they are in constant motion
• Because they are not real substances

Which statement best describes the volume of a gas?

• It is mostly composed of the particles themselves
• It is mostly composed of empty space
• It is equal to the volume of the container
• It is negligible

How does the average kinetic energy of gas particles relate to temperature?

• It is inversely proportional
• It is directly proportional
• It is unrelated
• It varies randomly

What is an ideal gas?

• A gas that exists at high pressures
• A gas that perfectly fits the assumptions of the kinetic-molecular theory
• A gas that is always at room temperature
• A gas that can condense into a liquid

What is gas pressure?

• the amount of gas in a container
• the force of collision of the gas particles on the wall of the container
• the temperature of the gas particle
• the force of the gas particles when they collide with each other

Which of the following is NOT a characteristic of gas particles according to the kinetic-molecular theory?

• They have significant volume
• They are in constant motion
• They collide elastically
• They are independent of each other