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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work.

Isothermal
Isentropic
Adiabatic
None of these

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Chemical Engineering Thermodynamics
For a given substance at a specified temperature, activity is __________ to fugacity.

Equal
Inversely proportional
None of these
Directly proportional

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Chemical Engineering Thermodynamics
Fugacity is a measure of the

Escaping tendencies of the same substance in different phases of a system
None of these
Relative volatility of a mixture of two miscible liquids
Behaviour of ideal gases

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Chemical Engineering Thermodynamics
In case of the decomposition of hydroiodic acid (2HI ⇋ H₂ + I₂), addition of H₂ (at equilibrium condition) will

Increase the partial pressure of I₂
Diminish the degree of dissociation of HI
Decrease the partial pressure of HI
None of these

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Chemical Engineering Thermodynamics
The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is

R log10 4
R loge 4
Cv loge 4
Cv log10 4

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Chemical Engineering Thermodynamics
For an irreversible process involving only pressure-volume work

(dF)T, p > 0
(dF)T, p
(dA)T, v >0
(dF)T, p = 0

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