Question 6 (1 point)

Which action occurs as a substance undergoes a phase change from a liquid to a gas?



a
The intermolecular attractive forces are broken by the addition of heat.
b
The temperature of the particles increase because heat is being added.
c
The substance changes into a completely different substance. The particles of the original substance are destroyed and new particles form.
d
The temperature of the particles decrease because heat is being added.

a

The intermolecular attractive forces are broken by the addition of heat.