Phase changes: 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

During condensation, a vapor turns into a liquid, which is an exothermic process. This means heat energy is released from the substance into the surroundings, hence option C is correct.

Phase Changes: When a Vapor Condenses