When the temperature of a gas in a closed container is raised, the pressure of the gas increases. Explain how the molecules of the gas cause the increase in pressure.

K.C.S.E Physics Q & A - MODEL 2011PP1QN08

When the temperature of a gas in a closed container is raised, the pressure of the gas increases. Explain how the molecules of the gas cause the increase in pressure.

ANSWER

• Speed of molecules increases;
• Molecules hit walls more frequently with greater momentum.