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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Degree of freedom of a system consisting of a gaseous mixture of H₂ and NH₃ will be

0
2
3
1

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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° + RT ln f
μ° + R/T lnf

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Chemical Engineering Thermodynamics
Gibbs free energy (F) is defined as

F = E + TS
F = H - TS
F = E - TS
F = H + TS

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Chemical Engineering Thermodynamics
Enthalpy of a gas depends upon its

Mass
Volume
Temperature
Pressure

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Chemical Engineering Thermodynamics
Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K )

λb/Tb
Tb/λb
√(Tb/λb)
√(λb/Tb)

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Chemical Engineering Thermodynamics
Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to __________ °C.

327
270
540
300

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