PRACTICE / Equipartition

Count the active energy modes

Two moles of a monatomic ideal gas are at 300 K. Use R = 8 J/(mol·K).

Find its internal energy in the classical translational model.

1. A$7200\ \mathrm J$
2. B$4800\ \mathrm J$
3. C$12000\ \mathrm J$
4. D$3600\ \mathrm J$

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