Chapter 11 - Heat - Learning Path Questions and Exercises - Conceptual Questions - Page 411: 9

The (heat) energy added is called the latent heat. It is the energy required to change the phase of a substance. The energy goes into breaking attractive bonds between molecules and separating them rather than into increasing temperature （kinetic energy of the molecules).

The (heat) energy added is called the latent heat. It is the energy required to change the phase of a substance. The energy goes into breaking attractive bonds between molecules and separating them rather than into increasing temperature （kinetic energy of the molecules).