7.2 Evidence of a Chemical Reaction
7.2 Evidence of a Chemical Reaction
7.2 Evidence of a Chemical Reaction
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7.9 Oxidation–Reduction <strong>Reaction</strong>s<br />
• A fundamental definition <strong>of</strong> oxidation is the loss <strong>of</strong><br />
electrons.<br />
• A fundamental definition <strong>of</strong> reduction is the gain<br />
<strong>of</strong> electrons.<br />
• Helpful mnemonics:<br />
OIL RIG—Oxidation Is Loss; Reduction Is Gain.<br />
LEO GER—Lose Electrons Oxidation; Gain Electrons<br />
Reduction.
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