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Question

The following sets of values for Cv and Cp of a gas have been reported by different students. The units are cal mole−1 K−1. Which of these sets is most reliable ?

Options

A.Cv = 3, Cp = 5
B.Cv = 4, Cp = 6
C.Cv = 3, Cp = 2
D.Cv = 3, Cp = 4.2

Solution

CP > CV
and CP − CV = 2
∴ option A and B is correct

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