When a vapor condenses,
A) the temperature of the substance increases.
B) the temperature of the substance decreases.
C) heat energy leaves the substance.
D) heat energy enters the substance.

Question

Quizplus · Accepted Answer

When a vapor condenses, it changes from a gas phase to a liquid phase, releasing heat energy in the process. This is because the molecules in the vapor lose energy and move closer together to form a liquid, which involves the release of heat.

When a Vapor Condenses