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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
At __________ point, all the three phases (i.e.solid, liquid and gas) co-exist.

Critical
Eutcetic
Triple
Plait

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Chemical Engineering Thermodynamics
All gases during throttling process at atmospheric temperature and pressure show a cooling effect except

CO₂
H₂
N₂
O₂

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Chemical Engineering Thermodynamics
In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is

Unpredictable; depends on the particular reaction
Same
More
Less

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Chemical Engineering Thermodynamics
Degress of freedom at triple point will be

3
2
1
Zero

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

Zero
Unity
That of the heat of reaction
Infinity

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Chemical Engineering Thermodynamics
In a working refrigerator, the value of COP is always

< 0
> 1
< 1

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