Chemical Engineering Thermodynamics Which of the following is a thermodynamic property of a system? Temperature Concentration Entropy Mass Temperature Concentration Entropy Mass ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The free energy change for a chemical reaction is given by (where, K = equilibrium constant) -R lnK T lnK RT lnK -RT lnK -R lnK T lnK RT lnK -RT lnK ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which is not constant for an ideal gas? (∂P/∂V)V (∂V/∂T)P (∂P/∂V)T All of these (∂P/∂V)V (∂V/∂T)P (∂P/∂V)T All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the reaction, C + O₂ → CO₂ ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O₂? < - 94 kcal > -94 kcal Zero -94 kcal < - 94 kcal > -94 kcal Zero -94 kcal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Does not change in volume Expands Contracts Either A, B or C Does not change in volume Expands Contracts Either A, B or C 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 Heating of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Cooling of a substance Heating of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Cooling of a substance ANSWER DOWNLOAD EXAMIANS APP
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