Question

what gives rise to the pressure of a gas.

Answer 1

Pressure is caused by the collisions between the atoms of gas and walls of the container as those atoms travel in the confined space. There are three ways to increase the pressure: Add more gas. More molecules mean more collisions.

Answer 2

Heya....!!!

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QUESTION
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What gives rise to the pressure of a gas?
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ANSWER
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Molecules in a gaseous state is free so that they will move in a random motion or random manner inside the container.during the time of motion the molecules will start to collide each other and also with the walls of the container.due to the collision in between the particle .the container with a force creates a pressure in the full system

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Hope it helps