Chemical Engineering Thermodynamics The necessary condition for phase equilibrium in a multiphase system of N components is that the Chemical potentials of a given component should be equal in all phases Chemical potentials of all components should be same in a particular phase None of these Sum of the chemical potentials of any given component in all the phases should be the same Chemical potentials of a given component should be equal in all phases Chemical potentials of all components should be same in a particular phase None of these Sum of the chemical potentials of any given component in all the phases should be the same 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 3.389 4.238 1.9398 1.572 3.389 4.238 1.9398 1.572 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches An indeterminate value Unity Infinity Zero An indeterminate value Unity Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy of a substance remains constant during a/an __________ change. Reversible adiabatic Irreversible isothermal Reversible isothermal None of these Reversible adiabatic Irreversible isothermal Reversible isothermal None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions. Ideal Isotonic Real None of these Ideal Isotonic Real None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the __________ temperature. Critical Inversion Reduced Boyle Critical Inversion Reduced Boyle ANSWER DOWNLOAD EXAMIANS APP
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