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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Internal energy is equal to the heat absorbed in case of a/an __________ process.

Constant volume
Polytropic
Adiabatic
Constant pressure

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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
1.572
4.238

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Chemical Engineering Thermodynamics
A gas performs the maximum work, when it expands

Adiabatically
Isothermally
Isobarically
Non-uniformly

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Chemical Engineering Thermodynamics
Joule-Thomson experiment is

Adiabatic
Both B & C
Isobaric
Isenthalpic

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Chemical Engineering Thermodynamics
Enthalpy 'H' is defined as

None of these
H - E = PV
H = E - PV
H = F - TS

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Chemical Engineering Thermodynamics
Entropy change for an irreversible isolated system is

> 0
∞
< 0

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