A gas mixture consists of 2 moles of oxygen and 4 moles of neon at temperature T. Neglecting all vibrational modes, the total internal energy of the system will be:
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Verified by ExpertsThe correct answer is:
A
The internal energy of a gas is given by U = nC V T.
A diatomic gas has 3 translational and 2 rotational degrees of freedom. A monoatomic gas has 3 translational degrees of freedom.
Hence, the internal energy of the mixture
=5RT+6RT
=11RT
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