The heat required to change a substance from the solid to the liquid state is referred to as the
A) heat of fusion.
B) heat of vaporization.
C) heat of melting.
D) heat of freezing.
E) heat of condensation.

Question

Quizplus · Accepted Answer

Heat of fusion refers to the amount of heat needed to change a substance from the solid state to the liquid state at constant temperature and pressure. This concept is commonly used in the study of thermodynamics and phase changes. Therefore, the correct answer would be A) heat of fusion.

The Heat Required to Change a Substance from the Solid