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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches

Unity
That of the heat of reaction
Zero
Infinity

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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)

Arithmetic
Geometric
Logarithmic
Harmonic

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Chemical Engineering Thermodynamics
PVy = constant, holds good for an isentropic process, which is

Isothermal and irreversible
Reversible and adiabatic
Reversible and isothermal
Adiabatic and irreversible

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Chemical Engineering Thermodynamics
A system in which there is exchange of energy but not of mass, is called a/an __________ system.

Open
Closed
Insulated
Isolated

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Chemical Engineering Thermodynamics
Which of the following is affected by the temperature?

Activity co-efficient
Fugacity
Free energy
All of these

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

All of these
Specific Gibbs free energy
Vapor pressure
Specific entropy

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