Questions
A vessel contains a mixture of one mole of oxygen and two moles of nitrogen at 300 K. The ratio of the average rotational kinetic energy per molecule to that per molecule is
detailed solution
Correct option is A
Kinetic energy per degree of freedom = 12kT. As diatomic gas possess two degree of freedom for rotational motion therefore rotational K.E.= 2(12kT) = kT . ln the problem both gases (oxygen and nitrogen) are diatomic and have same temperature (300 K) therefore ratio of average rotational kinetic energy will be equal to one.Talk to our academic expert!
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