CHE 132 Lecture 7: CHE 132 Lecture 7
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The concentration will not change by a large amount so we can neglect its value: reversing a reaction is when you go from reverse to forward or vice versa. The k value of the reverse can be discovered by 1 / k: remember to use stoichiometric coefficients when dealing with k. you put these numbers in the exponents in the reaction. If you combine two reactions, it is the same as multiplying the two k values: the reaction quotient (q) is similar to k except that you can use concentrations at any state for q. For k, you can only use concentrations at equilibrium. If k=q then the reaction is at equilibrium. If q < k then the products will be lower and you have more reactants. This will cause the reaction to shift to the right so that you can make more products. If q > k then the products will be greater than reactants.