JEE PHYSICS MCQ: THERMODYNAMICS

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A gas mixture consists of 4 moles of

\mathrm{O}_2

and 8 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is:

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Correct option: A

22 RT

Option A (22 RT) is correct because the total internal energy is the sum of the internal energies of each gas, considering their respective degrees of freedom.

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\left( {\gamma = \frac{{{C_p}}}{{{C_v}}}} \right)