Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is May be positive or negative Positive Zero Negative May be positive or negative Positive Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic expansion process? Pressure is constant Temperature is constant Cooling takes place Heating takes place Pressure is constant Temperature is constant Cooling takes place Heating takes place ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Refrigeration cycle Involves transfer of heat from low temperature to high temperature Both A and B Violates second law of thermodynamics Neither A nor B Involves transfer of heat from low temperature to high temperature Both A and B Violates second law of thermodynamics Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ increases with increase in pressure. Neither A nor B Both A and B The melting point of wax The boiling point of a liquid Neither A nor B Both A and B The melting point of wax The boiling point of a liquid ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Degress of freedom at triple point will be Zero 3 1 2 Zero 3 1 2 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 Same in both the phases More in vapour phase Replaced by chemical potential which is more in vapour phase More in liquid phase Same in both the phases More in vapour phase Replaced by chemical potential which is more in vapour phase More in liquid phase ANSWER DOWNLOAD EXAMIANS APP
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