Vandenbout Worksheet 9

Vandenbout Worksheet 9 - Review: Worksheet on Balancing...

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Review: Worksheet on Balancing Redox Equations Two methods are often mentioned for balancing redox reactions: the half reaction method and the change in oxidation method. They actually involve the same procedure. In the first case you separate out the oxidation and reduction half reaction and in the second case, you do it all at once. I prefer the latter. The half reaction method is shown in the text but I will explain the change in oxidation method here. Change in Oxidation Procedure: a. Write out as much of the unbalanced reaction as possible b. Assign oxidation numbers c. Draw brackets to connect the atoms that are oxidized and the atoms that are reduced. Write the net increases and decreases in electrons. d. Find the factors that create the least common multiple and use these to assign balanced stoichiometry for the reaction. Complication: pH-dependent redox reactions. Very often we will work with redox reactions that are dependent on the acidity or basicity of a reaction. When this occurs, we need to balance the numbers of O and H atoms that appear in H
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This note was uploaded on 04/08/2011 for the course CH 302 taught by Professor Holcombe during the Spring '07 term at University of Texas at Austin.

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Vandenbout Worksheet 9 - Review: Worksheet on Balancing...

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