Chemical Engineering Thermodynamics Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor)? Ammonia Freon Liquid sulphur dioxide Methyl chloride Ammonia Freon Liquid sulphur dioxide Methyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is More in vapour phase More in liquid phase Same in both the phases Replaced by chemical potential which is more in vapour phase More in vapour phase More in liquid phase Same in both the phases Replaced by chemical potential which is more in vapour phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be Same Halved Doubled One fourth of its original value Same Halved Doubled One fourth of its original value ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Third law of thermodynamics is helpful in Both B and C Evaluating entropy changes of chemical reaction Calculating absolute entropies of substances at different temperature Prediction of the extent of a chemical reaction Both B and C Evaluating entropy changes of chemical reaction Calculating absolute entropies of substances at different temperature Prediction of the extent of a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy Remains unchanged in reversible processes carried at constant temperature and pressure Decreases in all spontaneous (or irreversible) processes Change during a spontaneous process has a negative value All of these Remains unchanged in reversible processes carried at constant temperature and pressure Decreases in all spontaneous (or irreversible) processes Change during a spontaneous process has a negative value All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The unity of Planck's constant 'h' in the equation, E = hv is J/kmol J/s Kmol/J J.S J/kmol J/s Kmol/J J.S ANSWER DOWNLOAD EXAMIANS APP
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