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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The chemical potential for a pure substance is __________ its partial molal free energy.

Less than
Not related to
Equal to
More than

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Chemical Engineering Thermodynamics
Which of the following is not an extensive property?

Free energy
Entropy
None of these
Refractive index

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Chemical Engineering Thermodynamics
Ideal refrigeration cycle is

Same as Carnot cycle
Dependent on the refrigerant's properties
The least efficient of all refrigeration processes
Same as reverse Carnot cycle

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Chemical Engineering Thermodynamics
The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always

> 2
< 3
< 1
> 1

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Chemical Engineering Thermodynamics
Boiling of liquid is accompanied with increase in the

Vapor pressure
All of these
Specific entropy
Specific Gibbs free energy

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Chemical Engineering Thermodynamics
In an irreversible process

Tds = dE - dW = 0
DE - dW - Tds = 0
Tds - dE + dW< 0
Tds - dT + dW< 0

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