CHEM 1050 Study Guide - Midterm Guide: Ammonium Chloride, Electrolytic Cell, Electrochemical Cell
18 Nov 2016
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Half reactions: a voltaic cell employs a spontaneous oxidation- reduction reaction as a. 2) what species result from the oxidation and reduction 3) does the reaction occur in acidic or basic solutions. Steps in balancing oxidation-reduction equations in acidic solution. Assign oxidation numbers to each atom so you know what is being oxidized and what is reduced. Split the skeleton equation into two half-reactions. Complete and balance each half reaction: 1) balance all atoms except o and h 2) Balance o atoms by adding h2os to one side of the equation 3)balance h atoms by adding h+ ions to one side of the equation 4) balance electric charges by adding electrons (e-) to more positive side. Combine the two half-reactions to obtain the final balanced oxidation-reduction equation: 1) multiply each half-reaction by a factor such that when the half-reactions are added, the electrons cancel out (e- cannot appear in the final equation)
