When 1 mole gas is heated at constant volume, temperature is raised from 298 K to 308 K. Heat supplied to the gas is 500 J. Then, which option is correct?
- Aq = w = 500 J, $\Delta U=0$
- B$q=\Delta U=500\ \mathrm{J},\ w=0$
- C$q=-w=500\ \mathrm{J},\ \Delta U=0$
- D$\Delta U=0,\ q=w=-500\ \mathrm{J}$
✓ Correct answer: B
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