Chp11 - Chapter 11 Exercises Electron Transfer Reaction...

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Chapter 11 Exercises Electron Transfer Reaction Problems 9,15,35 Electrochemical Cells Problems 19,25,31,33
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Chapter 11 Electron Transfer and Electrochemistry Electron Transfer Reactions (Redox) Half Reactions Galvanic Cells and Cell Potential
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RED uction- OX idation Reactions Transfer of electrons from one reactant to another Earliest “man-made” examples – Pb smelting ca. 7000 BC Bleaching – NaOCl, H 2 O 2 , peroxyacetic acid (paper bleaching) Batteries – NiCad, Li, Pb/PbO 2 Biological processes – photosynthesis, respiration, breakdown of food
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Redox Terminology Reduction – GAIN of electrons; oxidation state Oxidation – LOSS of electrons; oxidation state Reducing Agent (reductant) – reduces another substance; loses electrons and therefore is oxidized Oxidizing Agent (oxidant) – oxidizes another substance; gains electrons and therefore is reduced
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Oxidizing agent accepts electrons from the other reactant; oxidizing agent is reduced Reducing agent
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Chp11 - Chapter 11 Exercises Electron Transfer Reaction...

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