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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is

4
3
1
2

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Chemical Engineering Thermodynamics
In case of the decomposition of hydroiodic acid (2HI ⇋ H₂ + I₂), addition of H₂ (at equilibrium condition) will

Decrease the partial pressure of HI
Diminish the degree of dissociation of HI
None of these
Increase the partial pressure of I₂

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Chemical Engineering Thermodynamics
Fugacity co-efficient of a substance is the ratio of its fugacity to

Activity co-efficient
Activity
Mole fraction
Pressure

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

Zero
That of the heat of reaction
Unity
Infinity

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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
Carnot cycle
Air cycle

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Chemical Engineering Thermodynamics
Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.

More than
Half
Less than
Same as

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