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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is

Zero
Positive
Negative
None of these

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Chemical Engineering Thermodynamics
A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be __________ litres.

22.4
Data insufficient; can't be computed
224
448

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Chemical Engineering Thermodynamics
Gibbs-Duhem equation relates composition in liquid phase and the __________ at constant temperature & pressure.

Activity co-efficient
Fugacity
Partial pressure
A, B, and C

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Chemical Engineering Thermodynamics
Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates

More accurate plotting
Use of only one graph for all gases
Covering of wide range
Easier plotting

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Chemical Engineering Thermodynamics
Degree of freedom of a system consisting of a gaseous mixture of H₂ and NH₃ will be

3
1
2
0

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Chemical Engineering Thermodynamics
For a constant pressure reversible process, the enthalpy change (ΔH) of the system is

∫Cp.dT
Cv.dT
∫Cv.dT
Cp.dT

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