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 A change in state involving a decrease in entropy can be spontaneous, only if It is isenthalpic It is exothermic It takes place isothermally It takes place at constant volume It is isenthalpic It is exothermic It takes place isothermally It takes place at constant volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of formation of an element in its standard state is A function of pressure > 0 < 0 A function of pressure > 0 < 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K ) λb/Tb Tb/λb √(λb/Tb) √(Tb/λb) λb/Tb Tb/λb √(λb/Tb) √(Tb/λb) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic compression? Pressure is constant Cooling occurs Temperature is constant Heating occurs Pressure is constant Cooling occurs Temperature is constant Heating occurs ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a Sine curve Straight line Hyperbola Parabola Sine curve Straight line Hyperbola Parabola ANSWER DOWNLOAD EXAMIANS APP
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