At constant volume,for a fixed number of mole | vedclass

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Question

(A) According to the kinetic theory of gases,the average kinetic energy of gas molecules is directly proportional to the absolute temperature $(T)$.As

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Increase in the average molecular speed

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(A) According to the kinetic theory of gases,the average kinetic energy of gas molecules is directly proportional to the absolute temperature $(T)$.As the temperature increases,the average speed of the molecules increases.When these faster-moving molecules collide with the walls of the container,they transfer more momentum per collision.Since pressure is defined as the force exerted per unit area,and force is the rate of change of momentum,the increased momentum transfer results in an increase in the pressure exerted by the gas on the container walls.Therefore,the correct option is $(A)$.

At constant volume,for a fixed number of moles of a gas,the pressure of the gas increases with an increase in temperature due to:

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