Consider a mixture of oxygen and hydrogen kept at room temperature. As compared to a hydrogen molecule an oxygen molecule hits the wall

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KollegeApply · Accepted Answer

with smaller average speed The average speed of molecules is given by $\sqrt$(8kT/$\pi$ m) . We observe that greater the mass, lesser is the average speed of the molecule. Since an oxygen molecule is heavier than a hydrogen molecule, the oxygen molecule will hit the wall with smaller average speed.

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