1 mole of NH₃ gas at 27°C is expanded in reversible adiabatic condition to make volume 8 times (γ = 1.33). Final temperature and work done by the gas respectively are:
- A150 K, 900 cal
- B150 K, 400 cal
- C250 K, 1000 cal
- D200 K, 800 cal
✓ Correct answer: A
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