From the discussions in previous chapters, we can see that in order to understand the kinetics of dissolution and precipitation reactions, we really need to understand geochemical reaction networks. The previous chapters have depicted a complex picture of the details of chemical reactions and kinetics. The complexity comes from the nature of chemical kinetics. Unlike thermodynamics, which describes one state versus another, independent of the reaction paths, the kinetics of chemical reactions is path dependent.

Lasaga (1998) cited Benson (1960) who described the time- and path-dependent nature of reaction kinetics “a body of water on top of a hill...

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