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Chemical Engineering Thermodynamics

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

Maximum
Minimum
None of these
Zero

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Chemical Engineering Thermodynamics
Internal energy change of a system over one complete cycle in a cyclic process is

Dependent on the path
-ve
+ve
Zero

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Chemical Engineering Thermodynamics
The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for

Expansion of a real gas
Cooling of a real gas
Reversible isothermal volume change
Heating of an ideal gas

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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.

Maxwell's
None of these
Clayperon
Gibbs-Duhem

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

Unity
None of these
Zero
Infinity

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Chemical Engineering Thermodynamics
Gibbs free energy (F) is defined as

F = H - TS
F = E - TS
F = E + TS
F = H + TS

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MORE MCQ ON Chemical Engineering Thermodynamics

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