A gas mixture consist of 2 moles of and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is:
1. 4RT
2. 15RT
3. 9RT
4. 11RT
1. | moles of helium occupying at |
2. | of nitrogen at and |
3. | grams of oxygen at and |
4. | molecules of argon occupying at |
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