CHEM10003 Lecture Notes - Lecture 22: Gibbs Free Energy, Chemical Equilibrium, Equilibrium Constant
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27 Nov 2018
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An increase in carbon dioxide in the atmosphere leads to more dissolution in water. A small change in the ph can push the equilibrium in the opposite direction and push carbon dioxide back into the atmosphere. Carbon dioxide is water soluble dissolves in water. R p, at constant t and p, (100% reactants goes to 100% products) There is a complete conversion of r to p (spontaneous) A system comes to its equilibrium when it reaches its minimum g. Equilibrium is at the minimum energy possible for the system. Forward and reverse reactions occur simultaneously and at equilibrium both have same rate. At equilibrium the concentrations have reached steady values. Whatever the initial concentrations, after a long time the concentrations reach constant values. The above is a dynamic situation because the forward and backward rates are equal. The rate of a chemical reaction rate = k[a]
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