Handout0921

Handout0921 - Acid - H + donor Base - H + acceptor Water...

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Lecture outline for Friday, September 21, 2007 (Chem 100, section 2) Arrhenius definition of acids and bases, and acid-base reactions Acid produces H 3 O + when dissolved in water. Base produces OH - when dissolved in water. Sample Problem Unknown acid (2.0000 g) is titrated with 0.4000 M NaOH. Endpoint at 20.0 mL. What is molar mass of acid? pH scale and equilibrium Le Chatelier’s Principle: why NH 3 solutions have pH > 7 Bronsted Definition of Acids and Bases, and acid-base reactions
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Unformatted text preview: Acid - H + donor Base - H + acceptor Water can be Bronsted acid or a Bronsted base Phenolphthalein is a weak Bronsted acid Redox Reactions Reductant: Electron donor Oxidant: Electron acceptor Assigning Oxidation Numbers Balancing Redox Metal Activity Series Examples of Redox Reactions ONLINE HW DUE Monday 9/24 Fe 2 (SO 4 ) 3 Fe = ___ Na 2 PtCl 6 Cl = ___ S 8 S = ___ S F 4 S = ___ K 2 O 2 K = ___ H 2 S S = ___ KH H = ___ H 2 CrO 4 H = ___ sum=___ _...
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