Chemical Engineering Thermodynamics A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system U and S both decreases Its internal energy (U) decreases and its entropy (S) increases U is constant but S decreases U decreases but S is constant U and S both decreases Its internal energy (U) decreases and its entropy (S) increases U is constant but S decreases U decreases but S is constant 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. Fugacity Both A and B Neither A nor B Chemical potential Fugacity Both A and B Neither A nor B Chemical potential ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will Decrease Remain same Increase Increase in summer and will decrease in winter Decrease Remain same Increase Increase in summer and will decrease in winter ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics No work is done by the system, when a reaction occurs at constant Pressure None of these Volume Temperature Pressure None of these Volume Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Third law of thermodynamics is helpful in Prediction of the extent of a chemical reaction Both B and C Calculating absolute entropies of substances at different temperature Evaluating entropy changes of chemical reaction Prediction of the extent of a chemical reaction Both B and C Calculating absolute entropies of substances at different temperature Evaluating entropy changes of chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Internal energy change of a system over one complete cycle in a cyclic process is Zero +ve Dependent on the path -ve Zero +ve Dependent on the path -ve ANSWER DOWNLOAD EXAMIANS APP
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