Chemical Engineering Thermodynamics A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is None of these Negative Positive Zero None of these Negative Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when N = y = 1.4 N = 0 N = 1.66 N = 1 N = y = 1.4 N = 0 N = 1.66 N = 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches Infinity That of the heat of reaction Unity Zero Infinity That of the heat of reaction Unity Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an irreversible process involving only pressure-volume work (dF)T, p = 0 (dF)T, p (dF)T, p > 0 (dA)T, v >0 (dF)T, p = 0 (dF)T, p (dF)T, p > 0 (dA)T, v >0 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 < - 94 kcal Zero -94 kcal > -94 kcal < - 94 kcal Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The energy of activation of exothermic reaction is Negative Not possible to predict Very large compared to that for en-dothermic reaction Zero Negative Not possible to predict Very large compared to that for en-dothermic reaction Zero ANSWER DOWNLOAD EXAMIANS APP