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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The compressibility factor of a gas is given by (where, V₁ = actual volume of the gas V₂ = gas volume predicted by ideal gas law )

V₁-V₂
V₁.V₂
V₁/V₂
V₂/V₁

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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
Logarithmic
Geometric
Arithmetic

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Chemical Engineering Thermodynamics
Chemical potential is a/an

Intensive property
Both B and C
Force which drives the chemical system to equilibrium
Extensive property

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

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Chemical Engineering Thermodynamics
Out of the following refrigeration cycles, which one has maximum COP?

Vapor compression with a reversible expansion engine
Ordinary vapor compression cycle
Air cycle
Carnot cycle

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Chemical Engineering Thermodynamics
The quantitative effect of temperature on chemical equilibrium is given by the

None of these
Vant-Hoff equation
Arhenius equation
Le-Chatelier's principle

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