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 Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which Mutual solubility of the two liquids shows a decreasing trend A homogeneous solution (say of phenol water) is formed Two liquids are completely separated into two layers None of these Mutual solubility of the two liquids shows a decreasing trend A homogeneous solution (say of phenol water) is formed Two liquids are completely separated into two layers None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the reaction, H₂ +I₂ ⇋ 2HI, addition of an inert gas will Increase the partial pressure of I₂ Not effect the equilibrium conditions Increase the partial pressure of H₂ Increase the total pressure and hence shift the equilibrium towards the right Increase the partial pressure of I₂ Not effect the equilibrium conditions Increase the partial pressure of H₂ Increase the total pressure and hence shift the equilibrium towards the right ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A change in state involving a decrease in entropy can be spontaneous, only if It takes place isothermally It is isenthalpic It is exothermic It takes place at constant volume It takes place isothermally It is isenthalpic It is exothermic It takes place at constant volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is Cv loge 4 R loge 4 Cv log10 4 R log10 4 Cv loge 4 R loge 4 Cv log10 4 R log10 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v₁ = 1 m³ and v₂ 3 m³ ) is max imum, when the value of 'n' is 1.44 1 1.66 1.44 1 1.66 ANSWER DOWNLOAD EXAMIANS APP
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