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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Lenz's law results from the law of conservation of

None of these
Energy
Momentum
Mass

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Chemical Engineering Thermodynamics
The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance.

Both B and C
Simultaneous pressure & temperature change
Heating
Cooling

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Chemical Engineering Thermodynamics
Which of the following identities can be most easily used to verify steam table data for superheated steam.

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

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Chemical Engineering Thermodynamics
Partial molal quantities are important in the study of

Ideal gases
Non-ideal mixtures
A pure component
Ideal solutions

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Chemical Engineering Thermodynamics
The total change in the enthalpy of a system is independent of the

Pressure and temperature
None of these
Number of intermediate chemical reactions involved
State of combination and aggregation in the beginning and at the end of the reaction

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Chemical Engineering Thermodynamics
One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is

4364.9
30554
4988.4
10373

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