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Chemical Engineering · Q483

Chemical Engineering Thermodynamics

Engineering and GATE · Chemical Engineering · question 483

Q483

The third law of thermodynamics states that the

A.
Heat capacity of a crystalline solid is zero at absolute zero temperature
Answer
B.
Heat transfer from low temperature to high temperature source is not possible without external work
C.
Gases having same reduced properties behave similarly
D.
None of these

Answer: Option A

Solution

Answer: Option A
Solution:
The third law of thermodynamics states that for all crystalline substances at absolute zero temperature the entropy is zero.