Chemical Engineering Thermodynamics Free energy Decreases in all spontaneous (or irreversible) processes Remains unchanged in reversible processes carried at constant temperature and pressure Change during a spontaneous process has a negative value All of these Decreases in all spontaneous (or irreversible) processes Remains unchanged in reversible processes carried at constant temperature and pressure Change during a spontaneous process has a negative value All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cp - Cv = R is valid for __________ gases. Ideal All Very high pressure Very low temperature Ideal All Very high pressure Very low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the Heat of formation Calorific value Heat of combustion Heat of reaction Heat of formation Calorific value Heat of combustion Heat of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cp of a gas at its critical temperature and pressure Equals 1 kcal/kmol °K Becomes zero Becomes infinity Equals 0.24 kcal/kmol °K Equals 1 kcal/kmol °K Becomes zero Becomes infinity Equals 0.24 kcal/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for Cooling of a real gas Reversible isothermal volume change Expansion of a real gas Heating of an ideal gas Cooling of a real gas Reversible isothermal volume change Expansion of a real gas Heating of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A gas performs the maximum work, when it expands Adiabatically Isothermally Isobarically Non-uniformly Adiabatically Isothermally Isobarically Non-uniformly ANSWER DOWNLOAD EXAMIANS APP