Chemical Engineering Thermodynamics The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always > 1 > 2 < 3 < 1 > 1 > 2 < 3 < 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Enthalpy changes over a constant pressure path are always zero for __________ gas. A real An easily liquefiable Any A perfect A real An easily liquefiable Any A perfect ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances. This is the Le-Chatelier's principle Statement of Vant-Hoff equation None of these Lewis-Randall rule Le-Chatelier's principle Statement of Vant-Hoff equation None of these Lewis-Randall rule ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of reaction at constant volume is identified with __________ change. Enthalpy Neither A nor B Either A or B Internal energy Enthalpy Neither A nor B Either A or B Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent. 1 0.5 0.75 0.25 1 0.5 0.75 0.25 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas. Same as Less than More than Half Same as Less than More than Half ANSWER DOWNLOAD EXAMIANS APP