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 only

Temperature, pressure and liquid composition xi only

Temperature, pressure, liquid composition xi and vapour composition yi

Temperature and pressure only

Temperature only

Temperature, pressure and liquid composition xi only

Temperature, pressure, liquid composition xi and vapour composition yi

Temperature and pressure only

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Chemical Engineering Thermodynamics
The main feature of Carnot refrigeration cycle is that, it

Accomplishes the reverse effect of the heat engine

None of these

Does not need the addition of external work for its functioning

Transfers heat from high temperature to low temperature

Accomplishes the reverse effect of the heat engine

None of these

Does not need the addition of external work for its functioning

Transfers heat from high temperature to low temperature

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Chemical Engineering Thermodynamics
In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent.

0.75

0.25

0.5

1

0.75

0.25

0.5

1

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Chemical Engineering Thermodynamics
For a constant pressure reversible process, the enthalpy change (ΔH) of the system is

Cp.dT

∫Cp.dT

Cv.dT

∫Cv.dT

Cp.dT

∫Cp.dT

Cv.dT

∫Cv.dT

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Chemical Engineering Thermodynamics
Van Laar equation deals with the activity co-efficients in

Ternary solutions

None of these

Binary solutions

Azeotropic mixture only

Ternary solutions

None of these

Binary solutions

Azeotropic mixture only

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Chemical Engineering Thermodynamics
The reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are

1

3

2

1

3

2

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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics The main feature of Carnot refrigeration cycle is that, it

Chemical Engineering Thermodynamics In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent.

Chemical Engineering Thermodynamics For a constant pressure reversible process, the enthalpy change (ΔH) of the system is

Chemical Engineering Thermodynamics Van Laar equation deals with the activity co-efficients in

Chemical Engineering Thermodynamics The reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are

Chemical Engineering Thermodynamics
The main feature of Carnot refrigeration cycle is that, it

Chemical Engineering Thermodynamics
In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent.

Chemical Engineering Thermodynamics
For a constant pressure reversible process, the enthalpy change (ΔH) of the system is

Chemical Engineering Thermodynamics
Van Laar equation deals with the activity co-efficients in

Chemical Engineering Thermodynamics
The reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are