(thing) by overdrife Tue May 16 2000 at 1:55:05

The change in total internal energy of a system when the pressure or volume of the system is held constant.

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(thing) by BioTech Sat Mar 12 2005 at 1:20:53

In a chemical reaction, this is more or less equal to the the difference between the energy put into breaking bonds and the enery gained from new bond formation.

From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.

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