Heat is applied to a container.The molecules inside the container become
A)more energetic and pressure increases.
B)less energetic and pressure increases.
C)less energetic and pressure decreases.
D)more energetic and pressure decreases.

Question

Heat is applied to a container.The molecules inside the container become 
A)more energetic and pressure increases. 
B)less energetic and pressure increases. 
C)less energetic and pressure decreases. 
D)more energetic and pressure decreases.

Quizplus · Accepted Answer

When heat is applied to a container, the molecules inside gain kinetic energy and become more energetic, leading to an increase in the pressure inside the container due to more collisions with the container walls. Therefore, choice A is the correct answer.

Heat Is Applied to a Container