Neumann-Kopp rule

Neumann-Kopp rule

[′nȯi‚män ′kȯp ‚rül]
(thermodynamics)
The rule that the heat capacity of 1 mole of a solid substance is approximately equal to the sum over the elements forming the substance of the heat capacity of a gram atom of the element times the number of atoms of the element in a molecule of the substance.