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Questions  

If two different gases are at the same temperature, which of the following must also be equal?  

a
their pressures
b
their average molecular velocities
c
the average kinetic energies of their molecules
d
their volumes

detailed solution

Correct option is C

Only data given is that they have same temperature. Average KE per molecule is (3/2)kBT which must be same for the two gases

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