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The Rusting Process

The Rusting Process. (Oxidation). Chemical Formulas. Fe → Fe 2+ + 2 e −. 2 e −. Fe. Fe 2+ . Chemical Formulas. Fe 2+ + 2 H 2 O ⇌ Fe(OH) 2 + 2 H +. Fe 2+. 2 H 2 O. Fe(OH) 2 Rust. 2 H + Notice there are no electrons on the atom. Chemical Formulas. 2 FeO (OH) ⇌ Fe 2 O 3 + H 2 O.

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The Rusting Process

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  1. The Rusting Process (Oxidation)

  2. Chemical Formulas • Fe → Fe2+ + 2 e− 2 e− Fe Fe2+

  3. Chemical Formulas • Fe2+ + 2 H2O ⇌ Fe(OH)2 + 2 H+ Fe2+ 2 H2O Fe(OH)2 Rust 2 H+ Notice there are no electrons on the atom

  4. Chemical Formulas • 2 FeO(OH) ⇌ Fe2O3 + H2O Fe2O3 Another form of rust FeO(OH) Rust H2O

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