Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for Cooling of a real gas Expansion of a real gas Reversible isothermal volume change Heating of an ideal gas Cooling of a real gas Expansion of a real gas Reversible isothermal volume change Heating of an ideal gas 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 More in liquid phase Replaced by chemical potential which is more in vapour phase Same in both the phases More in vapour phase More in liquid phase Replaced by chemical potential which is more in vapour phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not an equation of state? Clausius Clayperon equation Bertholet equation None of these Beattie-Bridgeman equation Clausius Clayperon equation Bertholet equation None of these Beattie-Bridgeman equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas is expanded from high pressure region to low pressure region ; temper -ature change occurs. This phenomenon is related to the Third law of thermodynamics Gibbs-Helmholtz equation Joule-Thomson effect Gibbs-Duhem equation Third law of thermodynamics Gibbs-Helmholtz equation Joule-Thomson effect Gibbs-Duhem equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The total change in the enthalpy of a system is independent of the State of combination and aggregation in the beginning and at the end of the reaction Pressure and temperature Number of intermediate chemical reactions involved None of these State of combination and aggregation in the beginning and at the end of the reaction Pressure and temperature Number of intermediate chemical reactions involved None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases. Decreases linearly Decreases Increases Remains same Decreases linearly Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
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