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Chemical Engineering · Q523

Chemical Engineering Thermodynamics

Engineering and GATE · Chemical Engineering · question 523

Q523

Pick out the wrong statement:

A.
The expansion of a gas in vacuum is an irreversible process
B.
An isometric process is a constant pressure process
Answer
C.
Entropy change for a reversible adiabatic process is zero
D.
Free energy change for a spontaneous process is negative

Answer: Option B

Solution

Answer: Option B
Solution:
Isometric process means constant-volume or isochoric process.