15.Redox.Rxns.11

15.Redox.Rxns.11 - Abiotic Reactions Oxidation –...

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Unformatted text preview: Abiotic Reactions: Oxidation – Reduction Introduction to Environmental Transformations Photochemical Generation of Oxidants Oxidations Atmospheric Reactions Hydrospheric Reactions Reductions Hydrospheric Reactions Lithospheric Reactions Summary and Conclusions I. Introduction to Environmental Transformations Oxidation – loss of electrons or gain of oxygens. Reduction – gain of electrons or loss of oxygens. Hydrolysis – reaction with water (a nucleophile). Photolysis – transformation via sunlight. Pyrolysis/pyrogenesis – transformation by combustion. (breakdown/formation) II. Photochemical Generation of Oxidants nfluenced by Latitude, Season, Diurnal Cycle Two General Types of Photochemical Reactions Direct Photolysis(light) = photons are absorbed by a chemical, resulting in the breakage or rearrangement of bonds (usually to the extended pi electron system)....
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15.Redox.Rxns.11 - Abiotic Reactions Oxidation –...

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