Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change During heating of an ideal gas With pressure changes at constant temperature During cooling of an ideal gas Under reversible isothermal volume change During heating of an ideal gas With pressure changes at constant temperature During cooling of an ideal gas Under reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K ) √(Tb/λb) √(λb/Tb) λb/Tb Tb/λb √(Tb/λb) √(λb/Tb) λb/Tb Tb/λb ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The thermodynamic law, PVy = constant, is not applicable in case of Free expansion of an ideal gas Adiabatic expansion of steam in a turbine Ideal compression of air Adiabatic compression of a perfect gas Free expansion of an ideal gas Adiabatic expansion of steam in a turbine Ideal compression of air Adiabatic compression of a perfect gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Grams of butane (C₄H₁₀) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be 640 Data insufficient; can't be computed 580 1160 640 Data insufficient; can't be computed 580 1160 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The necessary condition for phase equilibrium in a multiphase system of N components is that the Sum of the chemical potentials of any given component in all the phases should be the same None of these Chemical potentials of a given component should be equal in all phases Chemical potentials of all components should be same in a particular phase Sum of the chemical potentials of any given component in all the phases should be the same None of these Chemical potentials of a given component should be equal in all phases Chemical potentials of all components should be same in a particular phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation relating E, P, V and T which is true for all substanes under all conditions is given by (∂E/∂V)T = T.(∂P/∂T)H - P . This equation is called the Thermodynamic equation of state Redlich-Kwong equation of state Equation of state Maxwell Thermodynamic equation of state Redlich-Kwong equation of state Equation of state Maxwell ANSWER DOWNLOAD EXAMIANS APP