Chemical Engineering - Chemical Engineering Thermodynamics - Discussion

Discussion Forum : Chemical Engineering Thermodynamics - Section 2 (Q.No. 40)
40.
Specific/molar Gibbs free energy for a pure substance does not change during
sublimation
vaporisation
melting
either (a), (b) or (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Pawan Kumar Sharma said:   2 years ago
During the phase change, the Gibbs free energy doesn’t change since the pressure and temperature have remained constant during phase change.
(2)

Aditi Jain said:   5 years ago
The standard free energy change of formation equal to zero, as there is no change involved.

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