Chemical Engineering Thermodynamics
Activity co-efficient is a measure of the

Departure from ideal solution behaviour
None of these
Vapour pressure of liquid
Departure of gas phase from idea] gas law

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Chemical Engineering Thermodynamics
An irreversible process

Is an idealised visualisation of behaviour of a system
Yields the maximum amount of work
Is the analog of linear frictionless motion in machines
Yields an amount of work less than that of a reversible process

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