Chemical Engineering Thermodynamics Equilibrium constant decreases as the temperature Decreases, for an exothermic reaction Increases, for an exothermic reaction None of these Increases, for an endothermic reaction Decreases, for an exothermic reaction Increases, for an exothermic reaction None of these Increases, for an endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas is subjected to adiabatic expansion, it gets cooled due to Decrease in kinetic energy Decrease in temperature Decrease in velocity Energy spent in doing work Decrease in kinetic energy Decrease in temperature Decrease in velocity Energy spent in doing work ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the ratio of adiabatic compressibility to isothermal compressibility? >> 1 < 1 1 > 1 >> 1 < 1 1 > 1 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 Gibbs-Helmholtz equation Joule-Thomson effect Gibbs-Duhem equation Third law of thermodynamics Gibbs-Helmholtz equation Joule-Thomson effect Gibbs-Duhem equation Third law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Decreases Increases Remains unchanged Decreases linearly Decreases Increases Remains unchanged Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is (∂T/∂V)S = -(∂P/∂S)V (∂S/∂V)T = (∂P/∂T)V (∂S/∂P)T = -(∂V/∂T)P (∂V/∂S)P = (∂T/∂P)S (∂T/∂V)S = -(∂P/∂S)V (∂S/∂V)T = (∂P/∂T)V (∂S/∂P)T = -(∂V/∂T)P (∂V/∂S)P = (∂T/∂P)S ANSWER DOWNLOAD EXAMIANS APP