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

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

1.9398

1.572

4.238

3.389

1.9398

1.572

4.238

3.389

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Chemical Engineering Thermodynamics
In an adiabatic process, the

Temperature change is zero

Work done is a path function

Heat transfer is zero

Enthalpy remains constant

Temperature change is zero

Work done is a path function

Heat transfer is zero

Enthalpy remains constant

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Chemical Engineering Thermodynamics
In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v₁ = 1 m³ and v₂ 3 m³ ) is max imum, when the value of 'n' is

1.44

1.66

1

1.44

1.66

1

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Chemical Engineering Thermodynamics
The necessary and sufficient condition for equilibrium between two phases is

The chemical potential of each component should be same in the two phases

The temperature of each phase should be same

The pressure should be same in the two phases

The concentration of each component should be same in the two phases

The chemical potential of each component should be same in the two phases

The temperature of each phase should be same

The pressure should be same in the two phases

The concentration of each component should be same in the two phases

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Chemical Engineering Thermodynamics
__________ equation predicts the activity co-efficient from experimental data.

Both B & C

Margules

Van Laar

Lewis-Randall

Both B & C

Margules

Van Laar

Lewis-Randall

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Chemical Engineering Thermodynamics
Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is

300(33/7)

300(32/7)

300(33/5)

300(35/7)

300(33/7)

300(32/7)

300(33/5)

300(35/7)

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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics In an adiabatic process, the

Chemical Engineering Thermodynamics In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v₁ = 1 m³ and v₂ 3 m³ ) is max imum, when the value of 'n' is

Chemical Engineering Thermodynamics The necessary and sufficient condition for equilibrium between two phases is

Chemical Engineering Thermodynamics __________ equation predicts the activity co-efficient from experimental data.

Chemical Engineering Thermodynamics Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is

Chemical Engineering Thermodynamics
In an adiabatic process, the

Chemical Engineering Thermodynamics
In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v₁ = 1 m³ and v₂ 3 m³ ) is max imum, when the value of 'n' is

Chemical Engineering Thermodynamics
The necessary and sufficient condition for equilibrium between two phases is

Chemical Engineering Thermodynamics
__________ equation predicts the activity co-efficient from experimental data.

Chemical Engineering Thermodynamics
Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is