4241LNOT04_S11_PP - Environmental Geochemistry GLY...

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Environmental Geochemistry, GLY 4241/5243, © David Warburton, 2011 1 4-1 4-2 4-3 4-4 LECTURE 4 - CHEMICAL EQUILIBRIUM Note: Slide numbers refer to the PowerPoint presentation which accompanies the lecture. Chemical Equilibrium, slide 1 here Whenever two substances are brought together the potential for a reaction between them exists; whether the reaction takes place depends on several factors. We may define a chemical reaction as one or more substances, known as reactants, combining chemically to form one or more different substances, known as products . Chemical Equilibrium, slide 2 here Examples: Given that a reaction might occur, a chemist is interested in two questions: Chemical Equilibrium, slide 3 here
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