Water Chem - project_w_notes_1-22

Water Chem - project_w_notes_1-22 -...

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In principle, all chemical reactions are reversible and proceed in both directions simultaneously Net change in balance of reactants and products depends on which direction proceeds more rapidly at any instant The ongoing change in system composition causes the net reaction rate to decline Given enough time, all reactions reach a stable equilibrium condition, in which the forward and reverse reactions proceed at equal rates Depending on reaction details, equilibrium might correspond to reactants >> products, products >> reactants, or a more balanced mixture. CHEMICAL EQUILIBRIUM: OVERVIEW
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Reaction rates depend on the concentrations of the reacting species. Based on theoretical analysis and empirical observations, the relative rates of the forward and reverse reactions of any given reaction depend on the reaction quotient, Q : THE REACTION QUOTIENT A B P R a b p r
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For each reaction, a certain value of Q causes the forward and reverse rates to be equal; i.e., it describes the necessary and
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