1.

According to kinetic theory of gases, for a diatomic molecule

Answer»

The pressure exerted by the gas is proportional to the mean velocity of the MOLECULES
Thepressure exerted by the gas is proportional to the root mean SQUARE velocity of the molecules
The root mean square velocity is INVERSELY proportional to the temperature
The mean translational kinetic energy of the molecules is proportional to the absolute temperature.

Solution :All molecules of an ideal gas show random motion. They COLLIDE with each other and walls of container during which they lose or gain energy so they may not have same kinetic energy always.


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