The Pt-Ir alloy has a stable crystal structure. 50 µg of mass is worth 4.5*109J of energy. An entropy change is a configurational energy change at some temp T. See the problem?
No.
82 posted on 09/12/2007 6:16:50 PM PDT by Recovering_Democrat
((I am SO glad to no longer be associated with the party of Dependence on Government!))