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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
At __________ point, all the three phases (i.e.solid, liquid and gas) co-exist.

Plait
Critical
Eutcetic
Triple

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Chemical Engineering Thermodynamics
Entropy change for an irreversible isolated system is

< 0
∞
> 0

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Chemical Engineering Thermodynamics
Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K )

λb/Tb
Tb/λb
√(λb/Tb)
√(Tb/λb)

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Chemical Engineering Thermodynamics
For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases.

Increases
Remains same
Decreases linearly
Decreases

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

Fusion
Sublimation
Vaporisation
Transition

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Chemical Engineering Thermodynamics
In an ideal gas mixture, fugacity of a species is equal to its

Chemical potential
Vapor pressure
None of these
Partial pressure

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