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

4.238

3.389

1.572

1.9398

4.238

3.389

1.572

1.9398

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Chemical Engineering Thermodynamics
Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of

Fusion

Transition

None of these

Vaporisation

Fusion

Transition

None of these

Vaporisation

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Chemical Engineering Thermodynamics
For a cyclic process, a fixed ratio between heat and work

Is difficult to predict

May exist

Never exists

Always exists

Is difficult to predict

May exist

Never exists

Always exists

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Chemical Engineering Thermodynamics
Critical temperature is defined as the temperature above which a gas will

Immediately liquify

Never liquify however high the pressure may be

None of these

Not liquify (barring exceptions)

Immediately liquify

Never liquify however high the pressure may be

None of these

Not liquify (barring exceptions)

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Chemical Engineering Thermodynamics
At absolute zero temperature, all substances have the same

Entropy

None of these

Crystalline structure

Heat capacity

Entropy

None of these

Crystalline structure

Heat capacity

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Chemical Engineering Thermodynamics
Any substance above its critical temperature exists as

Saturated vapour

Solid

Liquid

Gas

Saturated vapour

Solid

Liquid

Gas

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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of

Chemical Engineering Thermodynamics For a cyclic process, a fixed ratio between heat and work

Chemical Engineering Thermodynamics Critical temperature is defined as the temperature above which a gas will

Chemical Engineering Thermodynamics At absolute zero temperature, all substances have the same

Chemical Engineering Thermodynamics Any substance above its critical temperature exists as

Chemical Engineering Thermodynamics
Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of

Chemical Engineering Thermodynamics
For a cyclic process, a fixed ratio between heat and work

Chemical Engineering Thermodynamics
Critical temperature is defined as the temperature above which a gas will

Chemical Engineering Thermodynamics
At absolute zero temperature, all substances have the same

Chemical Engineering Thermodynamics
Any substance above its critical temperature exists as