At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.)

Chemical Engineering Thermodynamics
At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.)

μ° + R/T lnf

μ° + T lnf

μ°+ R lnf

μ° + RT ln f

μ° + R/T lnf

μ° + T lnf

μ°+ R lnf

μ° + RT ln f

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Chemical Engineering Thermodynamics
In any spontaneous process,

Only A decreases

Only F decreases

Both F and A increase

Both F and A decreases

Only A decreases

Only F decreases

Both F and A increase

Both F and A decreases

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Chemical Engineering Thermodynamics
The equation Tds = dE - PdV applies to

Single phase fluid of varying composition

Open as well as closed systems

Single phase fluid of constant composition

Both B and C

Single phase fluid of varying composition

Open as well as closed systems

Single phase fluid of constant composition

Both B and C

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Chemical Engineering Thermodynamics
If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change in

Enthalpy

Both A & B

Neither A nor B

Volume

Enthalpy

Both A & B

Neither A nor B

Volume

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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

1.572

4.238

3.389

1.9398

1.572

4.238

3.389

1.9398

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Chemical Engineering Thermodynamics
The necessary condition for phase equilibrium in a multiphase system of N components is that the

Sum of the chemical potentials of any given component in all the phases should be the same

None of these

Chemical potentials of a given component should be equal in all phases

Chemical potentials of all components should be same in a particular phase

Sum of the chemical potentials of any given component in all the phases should be the same

None of these

Chemical potentials of a given component should be equal in all phases

Chemical potentials of all components should be same in a particular phase

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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics In any spontaneous process,

Chemical Engineering Thermodynamics The equation Tds = dE - PdV applies to

Chemical Engineering Thermodynamics If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change in

Chemical Engineering Thermodynamics The necessary condition for phase equilibrium in a multiphase system of N components is that the

Chemical Engineering Thermodynamics
In any spontaneous process,

Chemical Engineering Thermodynamics
The equation Tds = dE - PdV applies to

Chemical Engineering Thermodynamics
If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change in

Chemical Engineering Thermodynamics
The necessary condition for phase equilibrium in a multiphase system of N components is that the