Question

based on the data presented, what can james conclude about how adding and taking away heat affects molecular motion and arrangement?
heat does not affect molecular motion and arrangement.
adding heat decreases the amount of time it takes molecules to spread thoroughly.
adding heat increases the amount of time it takes molecules to spread thoroughly.
taking away heat decreases the amount of time it takes molecules to spread thoroughly

Explanation:

When heat is added, molecules gain kinetic energy. This increased energy makes them move faster. Faster - moving molecules can spread more quickly. So, adding heat decreases the time it takes for molecules to spread thoroughly.

Answer:

Adding heat decreases the amount of time it takes molecules to spread thoroughly.