11-26-07%20-%20Lecture%2017%20-%20Fund%20K%2cL

11-26-07%20-%20Lecture%2017%20-%20Fund%20K%2cL - Oxidation...

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Oxidation/Reduction = Redox Rxns Redox reactions involve ELECTRON TRANSFER between an electron donor and electron acceptor. Transfer leads to: 1. increase in oxidation number of some element = OXIDATION 2. decrease in oxidation number of some element = REDUCTION
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Oxidation Numbers 1) The oxidation number of an element uncombined with other elements is 0. 2) The sum of the oxidation numbers of all the atoms in a species is equal to its total charge Oxidation number of hydrogen is +1 in combination w/ non-metals, -1 with metals Oxidation number of oxygen is -2 in MOST compounds (O 2 2- )
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Unformatted text preview: Oxidation number of all the halogens is -1 in all their compounds, unless the halogen is in combination with oxygen or another halogen higher in Group 17 Oxidation number of fluorine is -1 in all its compounds Reaction Stoichiometry Fund. L & M 2Al (s) + 3Br 2 (l) Al 2 Br 6 (s) study of the study of the quantitative quantitative aspects of chemical reactions aspects of chemical reactions GENERAL PLAN FOR STOICHIOMETRY CALCULATIONS Mass reactant stoichiometric factor from balanced equation Moles reactant Moles product Mass product molar mass molar mass...
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This note was uploaded on 10/24/2009 for the course CHEM 234234234 taught by Professor Johnson during the Fall '08 term at UCSD.

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11-26-07%20-%20Lecture%2017%20-%20Fund%20K%2cL - Oxidation...

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