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Engineering Physics · Q45

Thermodynamics and Statistical Physics

Engineering and GATE · Engineering Physics · question 45

Q45

The pressure versus temperature diagram of a given system at certain low temperature range is found to be parallel to the temperature axis in the liquid to solid transition region. The change in the specific volume remains constant in this region. The conclusion one can get from the above is

A.
the entropy of solid is zero in this temperature region
B.
the entropy increases when the system goes from liquid to solid phase in this temperature region
C.
the entropy decreases when the system transforms from liquid to solid phase in this region
Answer
D.
the change in entropy is zero in the liquid to solid transition region

Answer: Option C

Solution

Answer: Option C
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