Lecture 11/19/05 CHE132: General Chemistry II Dr. Jimmy Hauri

Office: 253 Testa Science Building Office phone: x 7359 Office hours: MWThF 9:30-12

Chemistry and Chemical Reactivity (5th ed.) by Kotz and Trechel Grading: Weekly Quizzes (8 x 10 points/each) 80 Midterms (3 x 135 points/each)405 Final (cumulative)150 Laboratory250 Paper 90 Class Participation 25 Total 1000

Quizzes: A short quiz will be given every Friday. No make-ups, but the lowest scores will be dropped, so that only 10 quizzes count toward final grade. Class participation: Easy to get full credit, just attend class and be involved with class discussion Calculator policy: Students may only use non- programmable calculators during exams. Calculators that can store more than a single line of text in memory are prohibited. Attendance: Will not be taken, but important to learn anything.

Academic Dishonesty: Don’t cheat!! See A. C. Student Academic Handbook for consequences. Paper: 5-page paper on a chemistry topic. Extra credit: 2 – 5 points per seminar. Turn in a ~1-page summary within a week of an approved seminar for credit. Quality of summary determines points.

Exam schedule Exam 1 – Wednesday, February 16, 2005 Exam 2 – Wednesday, March 23, 2005 Exam 3 – Monday, April 18, 2005

Quiz 1 Find a science article in the NEWSPAPER 4 papers free on Campus (Science Tuesday) Critique article Turn in during office hours before end of office hours Wednesday January 26 th

A + B ↔ AB Rate based on: Constant Concentration

At Equilibrium: Rates (forward and reverse) are equal Concentrations stop changing Reactions are still going ‘dynamic equilibrium’ Equilibrium not the same thing as kinetics

Rates are equal

Law of Mass Action