Chemical Engineering Thermodynamics Free energy Decreases in all spontaneous (or irreversible) processes Change during a spontaneous process has a negative value Remains unchanged in reversible processes carried at constant temperature and pressure All of these Decreases in all spontaneous (or irreversible) processes Change during a spontaneous process has a negative value Remains unchanged in reversible processes carried at constant temperature and pressure All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In any spontaneous process, the __________ free energy decreases. Gibbs Neither A nor B Both of the listed here Helmholtz Gibbs Neither A nor B Both of the listed here Helmholtz ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The compressibility factor of a gas is given by (where, V₁ = actual volume of the gas V₂ = gas volume predicted by ideal gas law ) V₁.V₂ V₁/V₂ V₁-V₂ V₂/V₁ V₁.V₂ V₁/V₂ V₁-V₂ V₂/V₁ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Air refrigeration cycle Vapour-compression process with a reversible expansion engine Reverse Carnot cycle Ordinary vapour-compression cycle Air refrigeration cycle Vapour-compression process with a reversible expansion engine Reverse Carnot cycle Ordinary vapour-compression cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by Decrease of entropy Decrease in enthalpy corresponding to evolution of heat Increase in enthalpy corresponding to absorption of heat No change in enthalpy Decrease of entropy Decrease in enthalpy corresponding to evolution of heat Increase in enthalpy corresponding to absorption of heat No change in enthalpy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The relation connecting the fugacities of various components in a solution with one another and to composition at constant temperature and pressure is called the __________ equation. Gibbs-Helmholtz Van Laar Margules Gibbs-Duhem Gibbs-Helmholtz Van Laar Margules Gibbs-Duhem ANSWER DOWNLOAD EXAMIANS APP
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