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Chemistry LibreTexts

12: Fundamental 10 - Processes

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    • 12.1: Reversible and Irreversible Pathways
      It is convenient to use the work of expansion to exemplify the difference between work that is done reversibly and that which is done irreversibly. The example of expansion against a constant external pressure is an example of an irreversible pathway. It does not mean that the gas cannot be re-compressed. It does, however, mean that there is a definite direction of spontaneous change at all points along the expansion.

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