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 Simultaneous heating and expansion of an ideal gas Heating of a substance Cooling of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Heating of a substance Cooling of a substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of reaction at constant volume is identified with __________ change. Neither A nor B Either A or B Enthalpy Internal energy Neither A nor B Either A or B Enthalpy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Ideal gas law is applicable at High T, low P High T, high P Low T, high P Low T, low P High T, low P High T, high P Low T, high P Low T, low P ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A change in state involving a decrease in entropy can be spontaneous, only if It is exothermic It is isenthalpic It takes place isothermally It takes place at constant volume It is exothermic It is isenthalpic It takes place isothermally It takes place at constant volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fundamental principle of refrigeration is based on the __________ law of thermodynamics. First Zeroth Second Third First Zeroth Second Third ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is 4988.4 10373 30554 4364.9 4988.4 10373 30554 4364.9 ANSWER DOWNLOAD EXAMIANS APP