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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as

C = P - F + 2
P + F - C = 2
F = C - P - 2
P = F - C - 2

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

Molecular size
Temperature
Volume
Pressure

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Chemical Engineering Thermodynamics
If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) ⇋ C₃H₈(g) will be __________ Kcal.

-30.2
-55.2
-19.4
55.2

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Chemical Engineering Thermodynamics
(∂H/∂T)p is the mathematical expression for

CV
Entropy change
None of these
Gibbs free energy

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Chemical Engineering Thermodynamics
Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

Zeroth
First
Third
Second

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Chemical Engineering Thermodynamics
Helmholtz free energy (A) is defined as

A = H + TS
None of these
A = E - TS
A = H - TS

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