Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas Heating of a substance Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas Heating of a substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work. Isentropic None of these Adiabatic Isothermal Isentropic None of these Adiabatic Isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants ) All of these Addition of inert gas has no effect on the equilibrium constant at constant volume for any value of Δx (+ ve, - ve) or zero) Addition of inert gas favours the forward reaction, when Δx is positive Pressure has no effect on equilibrium, when Δn = 0 All of these Addition of inert gas has no effect on the equilibrium constant at constant volume for any value of Δx (+ ve, - ve) or zero) Addition of inert gas favours the forward reaction, when Δx is positive Pressure has no effect on equilibrium, when Δn = 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Change of state namely evaportation condensation, freezing and melting is an __________ process. Isochoric Isothermal Isobaric Adiabatic Isochoric Isothermal Isobaric Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the degree of freedom for two mis-cible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope? 2 3 1 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzman's constant, T = absolute temperature) √(3KT/m) √(6KT/m) 3KT/m √(2KT/m) √(3KT/m) √(6KT/m) 3KT/m √(2KT/m) ANSWER DOWNLOAD EXAMIANS APP
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