Chemical Engineering Thermodynamics A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system Its internal energy (U) decreases and its entropy (S) increases U decreases but S is constant U and S both decreases U is constant but S decreases Its internal energy (U) decreases and its entropy (S) increases U decreases but S is constant U and S both decreases U is constant but S decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A system in which there is exchange of energy but not of mass, is called a/an __________ system. Open Insulated Isolated Closed Open Insulated Isolated Closed ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compound having large heat of formation is Either more or less stable ; depends on the compound More stable Less stable Not at all stable (like nascent O₂) Either more or less stable ; depends on the compound More stable Less stable Not at all stable (like nascent O₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation, PV = nRT, is best obeyed by gases at None of these Low pressure & low temperature Low pressure & high temperature High pressure & low temperature None of these Low pressure & low temperature Low pressure & high temperature High pressure & low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an ideal gas, the internal energy depends upon its __________ only. Molecular size Temperature Volume Pressure Molecular size Temperature Volume Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The temperature at which both liquid and gas phases are identical, is called the __________ point. Triple Boiling Freezing Critical Triple Boiling Freezing Critical ANSWER DOWNLOAD EXAMIANS APP
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