Chemical Engineering Thermodynamics
A change in state involving a decrease in entropy can be spontaneous, only if

It is exothermic
It takes place at constant volume
It takes place isothermally
It is isenthalpic

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Chemical Engineering Thermodynamics
It is desired to bring about a certain change in the state of a system by performing work on the system under adiabatic conditions.

The amount of work needed is independent of path
The amount of work needed is path dependent
Work alone can not bring out such a change of state
More information is needed to conclude anything about the path dependence or otherwise of the work needed

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