Question

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What are the assumptions of Kinetic Theory of Gases?

(Answer in points)​

Answer 1

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Assumptions of Kinetic Theory of Gases :-

✍️ A gas consists of extremely small discrete particles called molecules /atoms dispersed throughout the container. The actual volume of the molecules / atoms is negligible compared to the total volume of gas.

✍️ Gas molecules are in constant random motion with high velocities.

✍️ The gas molecules move freely, independent of eachother.

✍️ There is no loss of kinetic energy of a molecule during a collision. All collisions are perfectly elastic.

✍️ The pressure of a gas is caused by hits, recorded by molecules on the walls of the container.

✍️ The average kinetic energy of molecules depends (directly proportional to) on absolute temperature (kelvin temperature).

» A gas which confirms to the assumptions of the kinetic theory of gases is called an ideal gas.

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Answer 2

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The assumptions of Kinetic Theory of Gases are :-

Consider an ideal gas equation is as follows

PV = nRT

the ideal gas law relates the pressure, temperature, volume, and number of moles of ideal gas. Here R is a constant known as the universal gas constant.

▪ The gas consists of a large number of molecules, which are in random motion and obey Newton’s laws of motion.

▪ The volume of the molecules is negligibly small compared to the volume occupied by the gas.

▪ No forces act on the molecules except during elastic collisions of negligible duration.

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