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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Entropy is a measure of the __________ of a system.

Disorder
Orderly behaviour
None of these
Temperature changes only

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Chemical Engineering Thermodynamics
A gas performs the maximum work, when it expands

Adiabatically
Isothermally
Isobarically
Non-uniformly

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Chemical Engineering Thermodynamics
The unity of Planck's constant 'h' in the equation, E = hv is

J.S
J/kmol
Kmol/J
J/s

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Chemical Engineering Thermodynamics
The kinetic energy of gas molecule is zero at

273°C
100°C
-273°C
0°C

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Chemical Engineering Thermodynamics
The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is

(∂V/∂S)P = (∂T/∂P)S
(∂S/∂P)T = -(∂V/∂T)P
(∂T/∂V)S = -(∂P/∂S)V
(∂S/∂V)T = (∂P/∂T)V

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Chemical Engineering Thermodynamics
Melting of wax is accompanied with __________ in entropy.

Increase
Decrease
No change
None of these

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