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 ) λb/Tb √(Tb/λb) Tb/λb √(λb/Tb) λb/Tb √(Tb/λb) Tb/λb √(λb/Tb) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Cooling of a substance Simultaneous heating and expansion of an ideal gas Heating of a substance Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas Heating of a substance Reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For multicomponent multiple phases to be in equilibrium at the same pressure and temperature, the __________ of each component must be same in all phases. Fugacity Both A and B Chemical potential Neither A nor B Fugacity Both A and B Chemical potential Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be Halved One fourth of its original value Doubled Same Halved One fourth of its original value Doubled Same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Van Laar equation deals with the activity co-efficients in Ternary solutions Azeotropic mixture only None of these Binary solutions Ternary solutions Azeotropic mixture only None of these Binary solutions ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is true for Virial equation of state? Virial co-efficients are universal constants For some gases, Virial equations and ideal gas equations are the same Virial co-efficients Virial co-efficients are function of temperature only Virial co-efficients are universal constants For some gases, Virial equations and ideal gas equations are the same Virial co-efficients Virial co-efficients are function of temperature only ANSWER DOWNLOAD EXAMIANS APP
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