LECTURE14 - Midterm 2 Friday May 13th In class Henrys law Colligative properties Equilibrium Acids and Bases More Acids and Bases(chap 13(chap

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1 Midterm 2 Friday May 13 th In class. Henry’s law + Colligative properties (chap 13) Equilibrium (chap 14) Acids and Bases (chap 15) More Acids and Bases (chap 16) More information later… Last time: Bronsted-Lowry Theory • An acid is a proton H + donor H 2 O(l) + HCl(aq) H 3 O + (aq) + Cl (aq) • A base is a proton H + acceptor NH 3 (aq) + H 2 O(l) NH 4 + (aq) + OH (aq)
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2 Last Time: Acid/Base Ionization Constants NH 3 + H 2 O NH 4 + + OH - base acid conjugate acid conjugate base HCH 3 CO 2 + H 2 O CH 3 CO 2 + H 3 O + base acid conjugate acid conjugate base K b = [NH 3 ] [NH 4 + ][OH ] K a = [CH 3 CO 2 H] [CH 3 CO 2 ][H 3 O + ] HCl + OH Cl + H 2 O Strong acid Weak acid Strong base Weak base Rule : Equilibrium favors the direction: Stronger weaker member of conjugate pair. Last time: Self Ionization of Water Define: Ion Product of water: K w = = 1×10 –14 [H 3 O + ][OH ] • Water can act as a proton donor or acceptor H 2 O+ H 2 O H 3 O + + OH - base acid conjugate acid conjugate base strong strong weak weak
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This note was uploaded on 07/09/2011 for the course CHE 2B 2B taught by Professor Tobyallen during the Spring '11 term at UC Davis.

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LECTURE14 - Midterm 2 Friday May 13th In class Henrys law Colligative properties Equilibrium Acids and Bases More Acids and Bases(chap 13(chap

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