Oleg V. Prezhdo, Colleen F. Craig, Yuriy Fialkov, Victor V. Prezhdo
The mechanisms by which solvent can be used to control chemical equilibria are analyzed from a thermodynamic perspective and illustrated with several examples. The solvent effect is described in terms of universal- and specific-solvation components, and the practical and pedagogical means of separating these components are discussed. The exceptional ability to influence reaction yields simply by choice of solvent or composition of a solvent mixture is demonstrated with homo- and hetero-molecular association and conformational equilibrium. The material presented here provides an important addition to the physical chemistry curriculum that has been largely overlooked in traditional textbooks.
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