India Site

A substance changes from its solid state to the liquid state when heat is supplied to it

a. Name the process.

b. What name is given to heat observed by the substance.

c. How does the average kinetic energy of the molecules of the substance change.

Solution:

(a) This is referred to as melting.
(a) The latent heat of melting is the name given to the heat observed by the substance.
(c) Because the temperature does not change, the average kinetic energy of the molecules does not change.