Chemical Engineering Thermodynamics During Joule-Thomson expansion of gases Enthalpy remains constant None of these Entropy remains constant Temperature remains constant Enthalpy remains constant None of these Entropy remains constant Temperature remains constant 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 R loge 4 R log10 4 Cv log10 4 Cv loge 4 R loge 4 R log10 4 Cv log10 4 Cv loge 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches An indeterminate value Zero Unity Infinity An indeterminate value Zero Unity Infinity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is 2 RT 0.5 RT -RT ln 0.5 -2 RT ln 0.5 2 RT 0.5 RT -RT ln 0.5 -2 RT ln 0.5 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 More in liquid phase Same in both the phases More in vapour phase Replaced by chemical potential which is more in vapour phase More in liquid phase Same in both the phases More in vapour phase Replaced by chemical potential which is more in vapour phase ANSWER DOWNLOAD EXAMIANS APP
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