A gas mixture consists of 2 moles of oxygen and 4 moles of argon at t – McqOptions

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1.	A gas mixture consists of 2 moles of oxygen and 4 moles of argon at temperature T. Neglecting all vibrational modes, the total internal energy of the system is?
A.	4RT
B.	9RT
C.	11RT
D.	15RT
Answer» D. 15RT

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