Chemical Engineering Thermodynamics A change in state involving a decrease in entropy can be spontaneous, only if It is exothermic It takes place at constant volume It takes place isothermally It is isenthalpic It is exothermic It takes place at constant volume It takes place isothermally It is isenthalpic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are 2 3 1 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature. Minus infinity Infinity Zero None of these Minus infinity Infinity Zero None of these 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) √(2KT/m) 3KT/m √(3KT/m) √(6KT/m) √(2KT/m) 3KT/m √(3KT/m) √(6KT/m) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor. Open Closed None of these Isolated Open Closed None of these Isolated ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Domestic refrigerator usually works on the __________ refrigeration cycle. Absorption Carnot Air Vapour-ejection Absorption Carnot Air Vapour-ejection ANSWER DOWNLOAD EXAMIANS APP
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