Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for Expansion of a real gas Heating of an ideal gas Reversible isothermal volume change Cooling of a real gas Expansion of a real gas Heating of an ideal gas Reversible isothermal volume change Cooling of a real gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At absolute zero temperature, the __________ of the gas is zero. Volume Pressure None of these Mass Volume Pressure None of these Mass ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cp - Cv = R is valid for __________ gases. Very high pressure All Ideal Very low temperature Very high pressure All Ideal Very low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For any system, what is the minimum number of degrees of freedom? 2 1 0 3 2 1 0 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy of mixing at constant pressure and temperature is always + ve ∞ - ve + ve ∞ - ve 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
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