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Chemical Engineering · Q28

Chemical Engineering Thermodynamics

Engineering and GATE · Chemical Engineering · question 28

Q28

Gibbs free energy (F) is defined as

A.
F = E - TS
B.
F = H - TS
Answer
C.
F = H + TS
D.
F = E + TS

Answer: Option B

Solution

Answer: Option B
Solution:
Gibbs free energy :

So, it represents maximum useful work in a reversible process.
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