Which of the following changes occurs as a solid is heated?
A)The kinetic energy of the solid decreases.
B)The average density of the solid increases.
C)The speci?c heat capacity of the solid decreases.
D)The average molecular speed in the solid increases.

Question

Quizplus · Accepted Answer

As a solid is heated, the particles within the solid gain energy, which increases their movement. This increase in movement translates to an increase in the average molecular speed within the solid.

Which of the Following Changes Occurs as a Solid Is