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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the __________ temperature.

Reduced
Boyle
Critical
Inversion

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Chemical Engineering Thermodynamics
The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is

Ax₂
A . x₂²
Ax₁
Ax₁²

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Chemical Engineering Thermodynamics
Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the __________ equation.

None of these
Maxwell's
Gibbs-Duhem
Clayperon

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Chemical Engineering Thermodynamics
The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by

Decrease in enthalpy corresponding to evolution of heat
Decrease of entropy
No change in enthalpy
Increase in enthalpy corresponding to absorption of heat

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Chemical Engineering Thermodynamics
The most important application of distribution law is in

Liquid extraction
Drying
Evaporation
Distillation

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Chemical Engineering Thermodynamics
Mollier diagram is a plot of

Temperature vs. enthalpy
Entropy vs. enthalpy
Temperature vs. enthalpy
Temperature vs. internal energy

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