A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of

Chemical Engineering Thermodynamics
A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of

Temperature, pressure and liquid composition xi only

Temperature and pressure only

Temperature, pressure, liquid composition xi and vapour composition yi

Temperature only

Temperature, pressure and liquid composition xi only

Temperature and pressure only

Temperature, pressure, liquid composition xi and vapour composition yi

Temperature only

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Chemical Engineering Thermodynamics
Free energy

Remains unchanged in reversible processes carried at constant temperature and pressure

All of these

Change during a spontaneous process has a negative value

Decreases in all spontaneous (or irreversible) processes

Remains unchanged in reversible processes carried at constant temperature and pressure

All of these

Change during a spontaneous process has a negative value

Decreases in all spontaneous (or irreversible) processes

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Chemical Engineering Thermodynamics
In the reaction, represented by, 2SO₂ + O₂ ⇋ 2SO₃; ΔH = - 42 kcal; the forward reaction will be favoured by

Low temperature

High pressure

Neither A nor B

Both A and B

Low temperature

High pressure

Neither A nor B

Both A and B

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Chemical Engineering Thermodynamics
High pressure steam is expanded adiabati-cally and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process:

Δ H = 0 and ΔS = 0

Δ H ≠ 0 and ΔS ≠ 0

Δ H = 0 and ΔS ≠ 0

Δ H ≠ 0 and ΔS = 0

Δ H = 0 and ΔS = 0

Δ H ≠ 0 and ΔS ≠ 0

Δ H = 0 and ΔS ≠ 0

Δ H ≠ 0 and ΔS = 0

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Chemical Engineering Thermodynamics
The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.

Pressure

Temperature

All of these

Composition

Pressure

Temperature

All of these

Composition

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Chemical Engineering Thermodynamics
Degree of freedom of the system ice-water-vapour will be

0

1

3

2

0

1

3

2

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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics Free energy

Chemical Engineering Thermodynamics In the reaction, represented by, 2SO₂ + O₂ ⇋ 2SO₃; ΔH = - 42 kcal; the forward reaction will be favoured by

Chemical Engineering Thermodynamics High pressure steam is expanded adiabati-cally and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process:

Chemical Engineering Thermodynamics The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.

Chemical Engineering Thermodynamics Degree of freedom of the system ice-water-vapour will be

Chemical Engineering Thermodynamics
Free energy

Chemical Engineering Thermodynamics
In the reaction, represented by, 2SO₂ + O₂ ⇋ 2SO₃; ΔH = - 42 kcal; the forward reaction will be favoured by

Chemical Engineering Thermodynamics
High pressure steam is expanded adiabati-cally and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process:

Chemical Engineering Thermodynamics
The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.

Chemical Engineering Thermodynamics
Degree of freedom of the system ice-water-vapour will be