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Chemical Engineering Thermodynamics

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

Lewis-Randall
Margules
Both B & C
Van Laar

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Chemical Engineering Thermodynamics
A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is

Positive
Negative
Zero
None of these

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Chemical Engineering Thermodynamics
Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.

Energy transformation from one form to the another
Calculation of rates
Reaction mechanism
None of these

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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 )

√(Tb/λb)
λb/Tb
√(λb/Tb)
Tb/λb

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Chemical Engineering Thermodynamics
A solid is transformed into vapour without going to the liquid phase at

Always
Triple point
Below triple point
Boiling point

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Chemical Engineering Thermodynamics
Which of the following equations is used for the prediction of activity co-efficient from experiments?

Wilson's equation
All of these
Margules equation
Van Laar equation

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