Chemical Engineering Thermodynamics In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible __________ process. Isentropic Polytropic Isothermal Adiabatic Isentropic Polytropic Isothermal Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The free energy change for a chemical reaction is given by (where, K = equilibrium constant) -R lnK T lnK RT lnK -RT lnK -R lnK T lnK RT lnK -RT lnK ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of Temperature only Temperature, pressure and liquid composition xi only Temperature, pressure, liquid composition xi and vapour composition yi Temperature and pressure only Temperature only Temperature, pressure and liquid composition xi only Temperature, pressure, liquid composition xi and vapour composition yi Temperature and pressure only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the Temperature must decrease Both listed here None of these Process must be isobaric Temperature must decrease Both listed here None of these Process must be isobaric 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 Ax₁ Ax₂ A . x₂² Ax₁² Ax₁ Ax₂ A . x₂² Ax₁² ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a constant volume process __________ by the system is used only to increase the internal energy. Heat absorbed Neither A nor B Work done Both A & B Heat absorbed Neither A nor B Work done Both A & B ANSWER DOWNLOAD EXAMIANS APP
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