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Carl McBride (talk | contribs) (New page: The mechanical '''work''', ''W'', performed in ''compressing'' a gas is given by :<math>W = - \int_\alpha^\beta p ~dV</math> where <math>\alpha</math> and <math>\beta</math> are points i...) |
Carl McBride (talk | contribs) No edit summary |
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where <math>\alpha</math> and <math>\beta</math> are points in state space, ''p'' is the [[pressure]] | where <math>\alpha</math> and <math>\beta</math> are points in state space, ''p'' is the [[pressure]] | ||
and ''V'' is the volume. | and ''V'' is the volume. | ||
For reversible changes | |||
:<math>\left.dW\right.=-PdV </math> | |||
and for irreversible changes | |||
:<math>\left.dW\right. > -PdV </math> | |||
[[category: classical thermodynamics]] | [[category: classical thermodynamics]] | ||
Revision as of 13:11, 21 June 2007
The mechanical work, W, performed in compressing a gas is given by
where and are points in state space, p is the pressure and V is the volume.
For reversible changes
and for irreversible changes
