Chemical Engineering Thermodynamics The free energy change for a chemical reaction is given by (where, K = equilibrium constant) -RT lnK T lnK RT lnK -R lnK -RT lnK T lnK RT lnK -R lnK ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is Data insufficient, can't be predicted Equal More pronounced Less pronounced Data insufficient, can't be predicted Equal More pronounced Less pronounced ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants ) Addition of inert gas has no effect on the equilibrium constant at constant volume for any value of Δx (+ ve, - ve) or zero) Pressure has no effect on equilibrium, when Δn = 0 All of these Addition of inert gas favours the forward reaction, when Δx is positive Addition of inert gas has no effect on the equilibrium constant at constant volume for any value of Δx (+ ve, - ve) or zero) Pressure has no effect on equilibrium, when Δn = 0 All of these Addition of inert gas favours the forward reaction, when Δx is positive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ equation predicts the activity co-efficient from experimental data. Margules Both B & C Van Laar Lewis-Randall Margules Both B & C Van Laar Lewis-Randall ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) ⇋ C₃H₈(g) will be __________ Kcal. -55.2 -30.2 55.2 -19.4 -55.2 -30.2 55.2 -19.4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Adiabatic compression of a saturated water vapour makes it Both A and B Superheated Neither A nor B Supersaturated Both A and B Superheated Neither A nor B Supersaturated ANSWER DOWNLOAD EXAMIANS APP
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