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Question: Answered & Verified by Expert
What is the free energy change, $\Delta \mathrm{G}$, when 1.0 mole of water at $100^{\circ} \mathrm{C}$ and 1 atm pressure is converted into steam at $100^{\circ} \mathrm{C}$ and $1 \mathrm{~atm}$.
pressure?
ChemistryThermodynamics (C)BITSATBITSAT 2011
Options:
  • A $540 \mathrm{cal}$
  • B -9800 cal
  • C $9800 \mathrm{cal}$
  • D $0 \mathrm{cal}$
Solution:
2463 Upvotes Verified Answer
The correct answer is: $0 \mathrm{cal}$
Condition of equilibrium, hence $\Delta \mathrm{G}=0$.

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