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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
For a constant volume process

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

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Chemical Engineering Thermodynamics
Fugacity of a component in an ideal gas mixture is euqal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at contant pressure and temperature __________ as its mole fraction increases.

Decreases
Increases
Decreases exponentially
Remains constant

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Chemical Engineering Thermodynamics
The standard Gibbs free energy change of a reaction depends on the equilibrium

Temperature
All of these
Composition
Pressure

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Chemical Engineering Thermodynamics
Mollier chart is a __________ plot.

Temperature vs entropy
Pressure vs enthalpy
Pressure vs volume
Enthalpy vs entropy

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Chemical Engineering Thermodynamics
Joule-Thomson Co-efficient at any point on the inversion curve is

-ve
+ ve
∞

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Chemical Engineering Thermodynamics
At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.)

μ°+ R lnf
μ° + T lnf
μ° + R/T lnf
μ° + RT ln f

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