For diatomic ideal gas in a closed system, which of the following plots does not correctly describe the relation between various thermodynamic quantities ?

Question

For diatomic ideal gas in a closed system, which of the following plots does not correctly describe the relation between various thermodynamic quantities ? (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

At higher temperature, rotational degree of freedom becomes active. CP = (7/2) R (Independent of P) CV = (5/2) R (Independent of V) Variation of U vs T is similar as CV vs T.

Q. For diatomic ideal gas in a closed system, which of the following plots does not correctly describe the relation between various thermodynamic quantities ?

At higher temperature, rotational degree of freedom becomes active.
$C_{P} = \frac{7}{2} R$ (Independent of P)
$C_{V} = \frac{5}{2} R$ (Independent of V)
Variation of $U$ vs $T$ is similar as $C_{V}$ vs $T$ .

Q. For diatomic ideal gas in a closed system, which of the following plots does not correctly describe the relation between various thermodynamic quantities ?

At higher temperature, rotational degree of freedom becomes active. CP​=27​R (Independent of P) CV​=25​R (Independent of V) Variation of U vs T is similar as CV​ vs T.

At higher temperature, rotational degree of freedom becomes active.
$C_{P} = \frac{7}{2} R$ (Independent of P)
$C_{V} = \frac{5}{2} R$ (Independent of V)
Variation of $U$ vs $T$ is similar as $C_{V}$ vs $T$ .