Gases exert pressure on the walls of a container explain why??​

The pressure exerted by a gas is due to the random motion of particles in the gas. Gases have weak intermolecular forces and the particles in continuous random motion and these particles collide with the walls of the container. These collisions with the walls of the container exerts pressure on the gas.

Explanation:

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an aneroid barometer is different from a mercury barometer in that it provides readings that increase as air pressure increases.

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