Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change During heating of an ideal gas During cooling of an ideal gas Under reversible isothermal volume change With pressure changes at constant temperature During heating of an ideal gas During cooling of an ideal gas Under reversible isothermal volume change With pressure changes at constant temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics dW and dq are not the exact differential, because q and W are Path functions Intensive properties Extensive properties State functions Path functions Intensive properties Extensive properties State functions ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics PVy = constant, holds good for an isentropic process, which is Reversible and adiabatic Isothermal and irreversible Reversible and isothermal Adiabatic and irreversible Reversible and adiabatic Isothermal and irreversible Reversible and isothermal Adiabatic and irreversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Both B and C Cooling Heating Simultaneous pressure & temperature change Both B and C Cooling Heating Simultaneous pressure & temperature change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always < 1 < 3 > 2 > 1 < 1 < 3 > 2 > 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Van Laar equation deals with the activity co-efficients in Binary solutions Ternary solutions None of these Azeotropic mixture only Binary solutions Ternary solutions None of these Azeotropic mixture only ANSWER DOWNLOAD EXAMIANS APP