Question:
What is the free energy change, Δ G, when 1.0 mole of water at 100C and 1 atm pressure is converted into steam at 100C and 1 atm pressure?
What is the free energy change, Δ G, when 1.0 mole of water at 100C and 1 atm pressure is converted into steam at 100C and 1 atm pressure?
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At phase transition temperature, Δ G = 0.
Updated On: Mar 18, 2026
- 540 cal
- –9800 cal
- 9800 cal
- 0 cal
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The Correct Option is D
Solution and Explanation
Step 1: Phase equilibrium. At boiling point, liquid and vapour are in equilibrium.
Step 2: Gibbs free energy. For equilibrium processes: Δ G = 0
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