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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
For any system, what is the minimum number of degrees of freedom?

3
0
2
1

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Chemical Engineering Thermodynamics
Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of

Sublimation
Fusion
Vaporisation
Transition

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Chemical Engineering Thermodynamics
Isobaric process means a constant process.

Temperature
Entropy
Volume
Pressure

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

0
2
1
3

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Chemical Engineering Thermodynamics
The free energy change for a chemical reaction is given by (where, K = equilibrium constant)

-RT lnK
T lnK
RT lnK
-R lnK

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Chemical Engineering Thermodynamics
The following heat engine produces power of 100000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is

160, 000 kW
200, 000 kW
320, 000 kW
100, 000 kW

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