Editing Heat
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:<math>\delta Q= TdS</math> | :<math>\delta Q= TdS</math> | ||
where ''T'' is the [[temperature]] and ''S'' is the [[entropy]]. <math>\delta</math> represents an [http://mathworld.wolfram.com/InexactDifferential.html inexact differential], indicating that the resulting value depends on the path taken. This equation | where ''T'' is the [[temperature]] and ''S'' is the [[entropy]]. <math>\delta</math> represents an [http://mathworld.wolfram.com/InexactDifferential.html inexact differential], indicating that the resulting value depends on the path taken. This equation results in an equality then the process is reversible. If the process is irreversible one has Β | ||
:<math>\delta Q < TdS</math> | :<math>\delta Q < TdS</math> |