MWF_11 - Organic Lecture Series CH 310/318 M LECTURE 11...

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Organic Lecture Series 1 CH 310/318 M LECTURE 11 Textbook Assignment: Chapter 4-Cont’d Today’s Topics: pKa pKa Thermochemistry Thermochemistry -Mechanisms Mechanisms Notice & Announcements: Exam 1: Thursday, 9/23, 7-9PM WEL 2.246 for last name beginning A-L and FAC 21 for last name beginning with M-Z, from 7-9 PM. Organic Lecture Series 2 pK pK a - Some Organic & Inorganic Acids Some Organic & Inorganic Acids HI I - HBr Br - HCl Cl - H 2 SO 4 HSO 4 - H 2 O H 3 O + H 3 PO 4 H 2 PO 4 - C 6 H 5 COOH C 6 H 5 COO - CH 3 3 COO - H 2 CO 3 HCO 3 - H 2 S HS - NH 3 4 + C 6 H 5 OH C 6 H 5 O - 3 - 3 2- 3 2 3 3 + H 2 O HO - 3 2 3 2 O - HC CH HC C - H 2 H - 3 2 - 2 =CH 2 2 - 3 3 3 2 - Acid Formula p K a Conju gate Base Ethan e Ammonia Ethan ol Water Bicarbonate ion Phenol Ammonium ion Carbonic acid Acetic acid 35 25 Benzoic acid Phosphoric acid Sulfuric acid Hyd rogen ch loride Hydrogen bromide Hydrogen iodide 51 38 10.33 15.7 15.9 4.76 6.36 9.24 9.95 -5.2 -7 -9 -8 4.19 2.1 -1.74 Hydronium ion Stronger conjugate base Weaker conju gate acid Methylammonium ion 10.64 Hydrogen sulfide 7.04 Acetylene Hydrogen
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This note was uploaded on 10/10/2010 for the course CH 54600 taught by Professor Colorpart during the Fall '10 term at University of Texas.

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MWF_11 - Organic Lecture Series CH 310/318 M LECTURE 11...

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