Chemical Engineering Thermodynamics Critical compressibility factor for all substances None of these Vary as square of the absolute temperature Vary as square of the absolute pressure Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute temperature Vary as square of the absolute pressure Are more or less constant (vary from 0.2 to 0.3) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is 4.238 3.389 1.9398 1.572 4.238 3.389 1.9398 1.572 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The ammonia synthesis reaction represented by N₂ + 3H₂ ⇋ 2NH₃ ; ΔH = - 22.4 kcal, is Endothermic Isothermal Adiabatic Exothermic Endothermic Isothermal Adiabatic Exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a __________ vapour. Desuperheated None of these Superheated Non-condensable Desuperheated None of these Superheated Non-condensable ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Throttling process is a/an __________ process. Reversible and constant entropy Reversible and constant enthalpy Reversible and isothermal Irreversible and constant enthalpy Reversible and constant entropy Reversible and constant enthalpy Reversible and isothermal Irreversible and constant enthalpy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is Positive None of these Negative Zero Positive None of these Negative Zero ANSWER DOWNLOAD EXAMIANS APP
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