ReactionEquilibrium:Background:Reaction Equilibrium System

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The system we look at here consists of two atomic species. We distinguish them by their color, red or black. These atoms can combine to form three dimer species. All five species are depicted here

ReactionEquilibrium Fivespecies.gif

Among these we can form three independent reactions

A separate set of parameters , , and can be defined for each pair interaction. We use the same value of for all atom-pair interactions, so that each atoms can be ascribed and drawn with an unambiguous size. The other parameters, and we allow to be varied independently for each pair. In this way we can adjust the standard enthalpy, entropy, and free energy of each dimer independently.