In which of the following processes will energy be evolved as heat?

Question

Quizplus · Accepted Answer

During the process of crystallization, energy is released as heat. This occurs as the particles in the liquid state release energy to form a highly ordered solid state. In contrast, melting, sublimation, and vaporization all require an input of energy in order for the process to occur. Therefore, A) crystallization is the only choice where energy is evolved as heat.

In Which of the Following Processes Will Energy Be Evolved