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Re: [Phys-l] PV question

Brian Whatcott wrote:

This reply is in haste: a straight line on a P-V diagram would cross
isotherms unnecessarily - so cannot be reversible - at first blush....

I'm not sure what you mean by "unnecessarily," but every process other than an isothermal process crosses isotherms and there are certainly reversible nonisothermal processes, so ... ?

John Mallinckrodt
Cal Poly Pomona