When a solid is changed to a liquid state,the solid
A)releases energy.
B)absorbs energy.
C)neither releases nor absorbs energy.
D)both releases and absorbs energy.

Question

Quizplus · Accepted Answer

When a solid is changed to a liquid state, it absorbs energy. This is because the molecules in the solid have to overcome their intermolecular forces of attraction to become a liquid, and this requires energy input. This process is called melting or fusion. Therefore, the correct option is B - absorbs energy.

When a Solid Is Changed to a Liquid State,the Solid