Question

*In a mixture of gases hydrogen, nitrogen and oxygen, Which gas will have highest Kinetic energy at STP?
a)Hydrogen
b)nitrogen
c)oxygen
d)all have same K.E
also need little explanation with suitable reason

Answer 1

The average kinetic energy per mole of a gas is equal to 2/3 RT where T is the absolute temperature.

When the temperature is same, the average kinetic energy per mole will be same for hydrogen, oxygen and methane as the average kinetic energy per mole is independent of its molar mass.

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