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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole.

None of these
0
273
25

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Chemical Engineering Thermodynamics
A system is said to be at equilibrium, if the entropy of the system has reached __________ value.

Zero
Minimum
Maximum
None of these

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Chemical Engineering Thermodynamics
4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is

8 J
Zero
∞
4 J

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Chemical Engineering Thermodynamics
__________ equation predicts the activity co-efficient from experimental data.

Van Laar
Lewis-Randall
Both B & C
Margules

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Chemical Engineering Thermodynamics
Enthalpy 'H' is defined as

None of these
H - E = PV
H = E - PV
H = F - TS

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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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