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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Consider the reaction, C + O₂ ⇋ CO₂ ;ΔH = - 94 kcal. What will be the value of ΔH for the reaction CO₂ → C + O₂?

+ 94 kcal
< -94 kcal
> 94 kcal
-94 kcal

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Chemical Engineering Thermodynamics
For an ideal solution, the value of activity co-efficient is

< 1
1
> 1

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

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

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Chemical Engineering Thermodynamics
Fugacity is most helpful in

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

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Chemical Engineering Thermodynamics
The standard Gibbs free energy change of a reaction depends on the equilibrium

Pressure
Temperature
Composition
All of these

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Chemical Engineering Thermodynamics
Which of the following is not a reversible process ?

None of these
Solution of NaCl in water at 50°C
Expansion of an ideal gas against constant pressure
Atmospheric pressure vaporisation of water at 100°C

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