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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
An isolated system can exchange __________ with its surroundings.

Both matter and energy
Matter
Energy
Neither matter nor energy

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Chemical Engineering Thermodynamics
Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.

None of these
Calculation of rates
Reaction mechanism
Energy transformation from one form to the another

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Chemical Engineering Thermodynamics
When a gas is expanded from high pressure region to low pressure region ; temper -ature change occurs. This phenomenon is related to the

Third law of thermodynamics
Gibbs-Duhem equation
Joule-Thomson effect
Gibbs-Helmholtz equation

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Chemical Engineering Thermodynamics
Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the

Pressure of working fluid
Two temperatures only
Mass and pressure both of the working fluid
Mass of the working fluid

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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
Heating
Simultaneous pressure & temperature change
Cooling

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Chemical Engineering Thermodynamics
For a constant volume process

dE = CvdT
dQ = dE + pdV
dE = CpdT
dW = pdV

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