Chemical Engineering Thermodynamics Free energy change of mixing two liquid substances is a function of the Temperature only Quantities of the constituents only Concentration of the constituents only All of these Temperature only Quantities of the constituents only Concentration of the constituents only All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is A . x₂² Ax₁² Ax₁ Ax₂ A . x₂² Ax₁² Ax₁ Ax₂ 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. Work None of these Kinematic viscosity Temperature Work None of these Kinematic viscosity Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent. 1 0.25 0.5 0.75 1 0.25 0.5 0.75 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are Same at the same reduced pressure Both B & C Same at the same reduced temperature Always greater than one Same at the same reduced pressure Both B & C Same at the same reduced temperature Always greater than one ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature of the gas ) 1/√T T √T T² 1/√T T √T T² ANSWER DOWNLOAD EXAMIANS APP
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