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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine is

Decreasing
Data sufficient, can't be predicted
Not changed
Increasing

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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
Free energy change of mixing two liquid substances is a function of the

Quantities of the constituents only
Concentration of the constituents only
Temperature only
All of these

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Chemical Engineering Thermodynamics
Sublimation temperature of dry ice (solid CO₂) is __________ °C.

-78
-273
0
5

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Chemical Engineering Thermodynamics
Van Laar equation deals with the activity co-efficients in

Azeotropic mixture only
Ternary solutions
None of these
Binary solutions

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Chemical Engineering Thermodynamics
In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v₁ = 1 m³ and v₂ 3 m³ ) is max imum, when the value of 'n' is

1
1.44
1.66

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