Question

Explain : A gas exerts pressure on the walls of a container.

Answer 1

we know that gases have spaces between the particles and they are moving with a very fast speed. and they get colide with the surface of containder then it exert pressure on the wall of the container.


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Answer 2

Because in the gaseous state, the particles move about randomly at high speed. Due to this random movement, the particles hit each other and also the walls of the container. The pressure exerted by the gas is because of this force exerted by gas particles per unit area on the walls of the container.