Chemical Engineering Thermodynamics The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is (∂V/∂S)P = (∂T/∂P)S (∂S/∂P)T = -(∂V/∂T)P (∂S/∂V)T = (∂P/∂T)V (∂T/∂V)S = -(∂P/∂S)V (∂V/∂S)P = (∂T/∂P)S (∂S/∂P)T = -(∂V/∂T)P (∂S/∂V)T = (∂P/∂T)V (∂T/∂V)S = -(∂P/∂S)V ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following equations is used for the prediction of activity co-efficient from experiments? All of these Wilson's equation Margules equation Van Laar equation All of these Wilson's equation Margules equation Van Laar equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The number of degrees of freedom for an azeotropic mixture in a two component vapour-liquid equilibria is/are Zero Three One Two Zero Three One Two ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Enthalpy changes over a constant pressure path are always zero for __________ gas. An easily liquefiable Any A real A perfect An easily liquefiable Any A real A perfect ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change Under reversible isothermal volume change During heating of an ideal gas During cooling of an ideal gas With pressure changes at constant temperature Under reversible isothermal volume change During heating of an ideal gas During cooling of an ideal gas With pressure changes at constant temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same. Kinematic viscosity Work Temperature None of these Kinematic viscosity Work Temperature None of these ANSWER DOWNLOAD EXAMIANS APP
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