Question text
19 A sealed container of gas is heated and the pressure inside increases. What happens to the molecules of the gas to cause this increase in pressure? A Their kinetic energy decreases. B They become heavier. C They expand. D They hit the container more frequently.
19 A sealed container of gas is heated and the pressure inside increases.
What happens to the molecules of the gas to cause this increase in pressure?
A Their kinetic energy decreases.
B They become heavier.
C They expand.
D They hit the container more frequently.
Select your answer: