Question

2 based on the text, what is the effect of adding molecules or heat to a container? a the containers air pressure would decrease. b the containers air pressure would increase. c the containers air pressure would stay the same. d there would be no more air pressure in the container.

Explanation:

To determine the effect of adding molecules or heat to a container on air pressure, we use the ideal gas law ($PV = nRT$) or kinetic theory. Adding molecules (increasing $n$) or heat (increasing $T$) increases the frequency of collisions of gas molecules with the container walls. More collisions mean higher force per unit area, so pressure ($P$) increases. Option A says pressure decreases (incorrect), C says it stays same (incorrect), D is illogical (pressure can’t vanish). So B is correct as adding molecules/heat increases pressure.

Answer:

B. The container’s air pressure would increase.