On colliding in a closed container,the gas mo | vedclass

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(A) According to the Kinetic Theory of Gases,gas molecules are in constant random motion. When these molecules collide with the walls of a closed cont

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Transfer momentum to the walls

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(A) According to the Kinetic Theory of Gases,gas molecules are in constant random motion. When these molecules collide with the walls of a closed container,they undergo a change in velocity (specifically,a change in the component of velocity perpendicular to the wall). Since momentum is defined as $p = mv$,a change in velocity implies a change in momentum. By Newton's Second Law,the rate of change of momentum is equal to the force exerted. Therefore,the molecules exert a force on the walls by transferring momentum to them,which manifests as gas pressure.

On colliding in a closed container,the gas molecules:

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