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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
For a constant volume process

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

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Chemical Engineering Thermodynamics
Equilibrium constant of a reaction varies with the

Temperature
None of these
Initial concentration of the reactant
Pressure

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Chemical Engineering Thermodynamics
For an ideal gas, the enthalpy

Is a path function
Increases with rise in pressure
Is independent of pressure
Decreases with rise in pressure

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Chemical Engineering Thermodynamics
In a working refrigerator, the value of COP is always

< 1
> 1
< 0

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Chemical Engineering Thermodynamics
Standard temperature and pressure (S.T.P.) is

15°C and 1 kgf/cm²
15°C and 750 mm Hg
0°C and 750 mm Hg
0°C and 1 kgf/cm²

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Chemical Engineering Thermodynamics
Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.

Infinity
Zero
None of these
Minus infinity

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