The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for ______________________?

Related Mcqs:

Gibbs free energy (G) is represented by, G = H – TS, whereas Helmholtz free energy, A. is given by, A = E – TS. Which of the following is the Gibbs-Helmholtz equation ?

A. [∂(G/T)/∂T] = – (H/T2) B. [∂(A/T)/∂T]V = – E/T2 C. Both A. and B. D. Neither A. nor B....

Cv is given by__________________?

A. (∂E/∂T)V B. (∂E/∂V)T C. (∂E/∂P)V D. (∂V/∂T)P...

Which of the following is not a reversible process ?

A. Expansion of an ideal gas against constant pressure B. Atmospheric pressure vaporisation of water at 100°C C. Solution of NaCl in water at 50°C D. None of these...

Air-refrigeration cycle________________?

A. Is the most efficient of all refrigeration cycles B. Has very low efficiency C. Requires relatively large quantities of air to achieve a significant amount of refrigeration D. Both B. and C...

A system is said to be at equilibrium, if the entropy of the system has reached ____________ value?

A. Minimum B. Zero C. Maximum D. None of these...