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500 J of energy is transferred as heat to 0.5 mol of Argon gas at 298 K and 1.00 atm. The final temperature and the change in internal energy respectively are : Given : R = 8.3 J K –1 mol –1

1. 348 K and 300 J
2. 378 K and 300 J
3. 368 K and 500 J
4. 378 K and 500 J

Correct answer: 348 K and 300 J

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