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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The internal energy of an ideal gas is a function of its __________ only.

Pressure
Temperature
Volume
Molecular size

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Chemical Engineering Thermodynamics
For a constant volume process

dW = pdV
dE = CvdT
dE = CpdT
dQ = dE + pdV

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

O₂
N₂
CO₂
H₂

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Chemical Engineering Thermodynamics
The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy.

Either B or C; depends on the type of alloy
More than
Less than
Equal to

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Chemical Engineering Thermodynamics
Fugacity is most helpful in

Representing actual behaviour of real gases
None of these
Representing actual behaviour of ideal gases
The study of chemical equilibria involving gases at atmospheric pressure

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Chemical Engineering Thermodynamics
Duringthe phase transition, __________ changes.

All of these
Volume
Pressure
Temperature

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