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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Gibbs free energy per mole for a pure substance is equal to the

Heat capacity
Molal boiling point
Latent heat of vaporisation
Chemical potential

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Chemical Engineering Thermodynamics
For an ideal solution, the value of activity co-efficient is

1
< 1
> 1

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Chemical Engineering Thermodynamics
The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.

Pressure
All of these
Temperature
Composition

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Chemical Engineering Thermodynamics
In case of a close thermodynamic system, there is __________ across the boundaries.

No heat and mass transfer
Mass and energy transfer
No mass transfer but heat transfer
None of these

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Chemical Engineering Thermodynamics
A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively)

Harmonic
Arithmetic
Geometric
Logarithmic

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Chemical Engineering Thermodynamics
In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be

Data insufficient, can't be found out
6.2
0.168
5.2

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