Question

  

Multiple Choice Question

Based on the diagram, what happens to the motion of the molecules in gases if heat energy is removed?





A. 

The molecules will stay at rest.

B. 

The molecules will move faster.

C. 

The molecules will move slower.

D. 

The molecules will move at the same speed.

Answer 1

The correct answer is:

C. The molecules will move slower.

When heat energy is removed from gas molecules, their kinetic energy decreases, causing them to move more slowly.