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Question
Gases exert pressure on the walls of the container because the gas molecules
Gases exert pressure on the walls of the container because the gas molecules
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Solution
The correct option is C possess momentum
In Kinetic Theory of gases, gas molecules are assumed to be tiny, rigid and impenetrable spheres having definite mass. So, a randomly moving gas particle has momentum. When it strikes the walls, the direction of its momentun changes, thus resulting in a force on the wall. When this phenomena is summed over all molecules present in the container, we obtain a pressure on the walls.Thus, gases exert pressure because gas molecules possess momentum.
In Kinetic Theory of gases, gas molecules are assumed to be tiny, rigid and impenetrable spheres having definite mass. So, a randomly moving gas particle has momentum. When it strikes the walls, the direction of its momentun changes, thus resulting in a force on the wall. When this phenomena is summed over all molecules present in the container, we obtain a pressure on the walls.
Thus, gases exert pressure because gas molecules possess momentum.
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