Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Simultaneous pressure & temperature change Cooling Heating Both B and C Simultaneous pressure & temperature change Cooling Heating Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor? 1 2 0 3 1 2 0 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy of mixing at constant pressure and temperature is always + ve ∞ - ve + ve ∞ - ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of reaction at constant volume is identified with __________ change. Neither A nor B Enthalpy Either A or B Internal energy Neither A nor B Enthalpy Either A or B Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy of an ideal gas depends upon its Neither A nor B Pressure Temperature Both A & B Neither A nor B Pressure Temperature Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas Heating of a substance Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas Heating of a substance ANSWER DOWNLOAD EXAMIANS APP