Chemical Engineering Thermodynamics Third law of thermodynamics is helpful in Calculating absolute entropies of substances at different temperature Both B and C Evaluating entropy changes of chemical reaction Prediction of the extent of a chemical reaction Calculating absolute entropies of substances at different temperature Both B and C Evaluating entropy changes of chemical reaction Prediction of the extent of a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass? DQ = CpdT + Vdp Tds = dE - PdV DQ = CvdT + PdV DE = Tds - PdV DQ = CpdT + Vdp Tds = dE - PdV DQ = CvdT + PdV DE = Tds - PdV ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy at constant pressure and temperature under equilibrium conditions is ∞ Minimum Maximum ∞ Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation Tds = dE - PdV applies to Both B and C Single phase fluid of constant composition Open as well as closed systems Single phase fluid of varying composition Both B and C Single phase fluid of constant composition Open as well as closed systems Single phase fluid of varying composition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches Unity Infinity An indeterminate value Zero Unity Infinity An indeterminate value Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A change in state involving a decrease in entropy can be spontaneous, only if It takes place at constant volume It is exothermic It takes place isothermally It is isenthalpic It takes place at constant volume It is exothermic It takes place isothermally It is isenthalpic ANSWER DOWNLOAD EXAMIANS APP