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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is

3
2
1

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Chemical Engineering Thermodynamics
The total change in the enthalpy of a system is independent of the

Number of intermediate chemical reactions involved
None of these
Pressure and temperature
State of combination and aggregation in the beginning and at the end of the reaction

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Chemical Engineering Thermodynamics
At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.)

μ° + RT ln f
μ° + T lnf
μ°+ R lnf
μ° + R/T lnf

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Chemical Engineering Thermodynamics
A gas can be liquified by pressure alone only, when its temperature is __________ its critical temperature.

More than
Less than
Less than or equal to
Equal to or higher than

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Chemical Engineering Thermodynamics
The temperature at which both liquid and gas phases are identical, is called the __________ point.

Boiling
Critical
Freezing
Triple

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Chemical Engineering Thermodynamics
A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of its total amount". This is

The distribution law
None of these
Followed from Margule's equation
A corollary of Henry's law

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