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 For multicomponent multiple phases to be in equilibrium at the same pressure and temperature, the __________ of each component must be same in all phases. Both A and B Fugacity Neither A nor B Chemical potential Both A and B Fugacity Neither A nor B Chemical potential 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 Equal More pronounced Less pronounced Data insufficient, can't be predicted Equal More pronounced Less pronounced Data insufficient, can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas in a vessel expands, its internal energy decreases. The process involved is Isothermal Irreversible Reversible Adiabatic Isothermal Irreversible Reversible Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is Negative Zero Infinity One Negative Zero Infinity One ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The compressibility factor of a gas is given by (where, V₁ = actual volume of the gas V₂ = gas volume predicted by ideal gas law ) V₁.V₂ V₂/V₁ V₁-V₂ V₁/V₂ V₁.V₂ V₂/V₁ V₁-V₂ V₁/V₂ ANSWER DOWNLOAD EXAMIANS APP