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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Free energy change at equilibrium is

Indeterminate
Negative
Zero
Positive

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Chemical Engineering Thermodynamics
Entropy change of mixing two liquid substances depends upon the

Neither A nor B
Molar concentration
Both A and B
Quantity (i.e. number of moles)

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Chemical Engineering Thermodynamics
Which of the following is Virial equation of state?

PV = nRT
None of these
(p + a/V²)(V - b) = nRT
PV = A + B/V + C/V² + D/V³ + …

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Chemical Engineering Thermodynamics
No work is done by the system, when a reaction occurs at constant

None of these
Volume
Temperature
Pressure

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Chemical Engineering Thermodynamics
In a P-V diagram (for an ideal gas), an isothermal curve will coincide withan adiabatic curve (through a point), when

Cp < Cv
Cp > Cv
Cp = Cv
Cp ≥ Cv

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Chemical Engineering Thermodynamics
At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is

1.9398
3.389
4.238
1.572

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