Question

What is kinetic theory? Explain briefly with kinetic gas equation.​

Answer 1

Answer:

The model, called the kinetic theory of gases, assumes that the molecules are very small relative to the distance between molecules. ... The molecules are in constant random motion, and there is an energy (mass x square of the velocity) associated with that motion. The higher the temperature, the greater the motion.

Explanation:

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Answer 2

The kinetic theory or boltzman theory explains about the transitional motion of gas molecules randomly.

Some of the postulates of the theory are:

1. Molecules of same gas are identical in all aspects in terms of mass, shape and size.

2. Gaseous molecules are constantly in random motion.

3. Collisions of the gaseous molecules within the wall of container are elastic.

4. Pressure of the gas is directly proportional to the number of collisions per unit area.

5. The kinetic energy of gaseous molecules depends on the absolute temperature.

6. Nature of gas doesn't depend.

7. The volume that is occupied by the gas is negligible as compared to only volume of gas.

8. No intermolecular forces of attraction exists.

9. Force of gravity is neglected.

The kinetic gas equation is :

PV=1/3mnUrms²

Where, P is pressure, V is volume occupied, m is mass of 1 molecule of gas, n is the number of moles and Urms² is root mean square velocity.