Question

Suppose the temperature of an object is raised from 100°C to 200°C by heating it with a Bunsen burner. Select all true statements from the following. (a) The number of slow-moving molecules will increase. (b) The chemical potential energy will decrease. (c) The average molecular kinetic energy will increase. (d) The total kinetic energy of all the molecules will increase. (e) The number of fast-moving molecules will increase.

Answer 1

The correct options are:

(D) The total kinetic energy of all the molecules will increase.

(E) The number of fast moving molecules will increase.

(C) The average molecular kinetic energy will increase.

Correct answers are C, D and E.