Question

What happens when the pressure of a gas is decreased?

A. The number of molecules increases.
B. The diffusion rate increases.
C. The temperature increases.
D. The volume increases.

Answer 1

D. The volume increases.

Step-by-step explanation:

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Answer 2

The combined gas law states that the pressure of a gas is inversely related to the volume and directly related to the temperature. If temperature is held constant, the equation is reduced to Boyle's law. Therefore, if you decrease the pressure of a fixed amount of gas, its volume will increase.

Step-by-step explanation: