Chemistry 26 Friday, November 3, 2006

Chemistry 26 Friday, November 3, 2006 - 1+ 2. Oxidation...

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Friday, November 03, 2006 Chemistry REDOX REACTIONS Rust: 4 Fe + 3 O 2 → 2 Fe 2 O 3 Photosynthesis: 6 CO 2 + 6 H 2 O → C 6 H 12 O 6 + 6 O 2 Haber Process: N 2 + 3 H 2 = 2 NH 3 OXIDATION STATE OF MIND How do we tell if election transfer occurs in a reaction? Text: Sections 11.0 -11.2, 4.3, 5.8.2 REDOX PROCESSES 1. 2 H 1+ + Zn → H 2 + Zn 2+ Charged neutral Neutral charged An e- transfer reaction e- transfer from Zn to H
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Unformatted text preview: 1+ 2. Oxidation process Species loses e-Zn is oxidized to Zn 2+ Reduction process Species gains e-H 1+ is reduced to H 2 Oxidation is loss Reduction is Gain 3. Half reactions (balanced) Oxidation half reaction Zn Zn 2+ +2e-Reduction half reaction 2 H 1+ + 2e- H 2 Add together to get what reaction A redo x, processes...
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This note was uploaded on 03/20/2008 for the course CH 101 taught by Professor Bigham during the Fall '08 term at N.C. State.

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