(a)
Cp−Cv is larger for a diatomic gas than for a monoatomic gas.
(b)
Cp+Cv is larger for a diatomic gas than a monoatomic gas.
(c)
CpCv is larger for a diatomic gas than for a monoatomic gas.
(d)
Cp.Cv is larger for a diatomic gas than for a monoatomic gas.