Question

A van der Waal's gas obeys the equation of state (p+n²a/V²)(V-nb)= nRT  . Its internal energy is given by U = CT – n²a-V  . The equation of a quasistatic adiabat for this gas is given by- 

(A) T^C/nRV = constant 

(B) T^(C+nR)/nRV = constant 

(C) T^C/nR (V – nb) = constant 

(D) P^(C+nR)/nR(V – nb) = constant 

Answer 1

Correct Option :- (C) T^C/nR (V – nb) = constant

Explanation :-