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A process is reversible if an extremely small change can reverse it. For example, an extremely small increase in pressure can move an object into a container, while an extremely small decrease in pressure can push the object out. No change in pressure won't move the object.
Natalie Benitez 1E wrote:How would we know on the exam if something is reversible or irreversible ?
I believe it is reversible if the pressure is not constant and if the internal and external pressure are the same.
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