Question

Tanks of compressed gas must be kept away from heat sources. If a compressed–gas tank is heated too much, it may explode and cause a great deal of damage. Which of the following best explains why a compressed–gas tank can explode if it is heated?

Answer 1

Answer: As the gas gets hotter, the molecules gain energy and move farther apart, causing the gas to expand.

Explanation:

Answer 2

If it is heated while it is being compressed or held inside a container as such, the pressure build up while in the container  and the pressure can become so much that the container will burst.