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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
In any spontaneous process,

Both F and A increase
Both F and A decreases
Only F decreases
Only A decreases

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Chemical Engineering Thermodynamics
Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.

Either B or C
Above
At
Below

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Chemical Engineering Thermodynamics
Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the __________ equation.

Gibbs-Duhem
Clayperon
None of these
Maxwell's

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Chemical Engineering Thermodynamics
Claude's liquefaction process employs the cooling of gases by

Following a constant pressure cycle
Throttling
None of these
Expansion in an engine

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Chemical Engineering Thermodynamics
For an ideal gas, the internal energy depends upon its __________ only.

Volume
Pressure
Molecular size
Temperature

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Chemical Engineering Thermodynamics
The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is

(∂T/∂V)S = -(∂P/∂S)V
(∂V/∂S)P = (∂T/∂P)S
(∂S/∂P)T = -(∂V/∂T)P
(∂S/∂V)T = (∂P/∂T)V

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