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1422-Chapt-21-Redox-Electrochem

1422-Chapt-21-Redox-Electrochem - REDOX 1 Chapter 21 REDOX...

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REDOX 1 Chapter 21 REDOX & Electrochemistry
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REDOX 2 There are two types of chemical reactions: 1) acid-base reactions (Lewis) 2) electron-transfer reactions Oxidation/oxidize: when you remove electrons from a material Reduction/reduce: when you add electrons to a material You cannot have oxidation without reduction ; you cannot generally reduce a molecule without oxidizing another molecule (and the other way around). Oxidizing agent: a chemical that causes another material to be oxidized (the oxidizing agent is reduced !) Reducing agent: a chemical that causes another material to be reduced (the reducing agent is oxidized !) REDOX
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