CHEM 20A 1 GENERAL CHEMISTRY CHEMICAL STRUCTURE Fall 2005 DESCRIPTION This first course in general chemistry is designed for physical science and engineering majors It includes an introduction to quantum mechanics atomic and molecular structure chemical bonding organic molecules and polymers transition metal complexes spectroscopy and intermolecular forces LECTURES MWF 10 00 am in CS 50 Young Hall INSTRUCTOR Dr Eric Scerri Office 4077C Young Hall Phone ext 6 7443 TAs OFFICE HOURS Mon We 2 30 3 30 pm and on the web through Virtual Office Hours at http voh chem ucla edu under 20A The instructor will not answer questions by phone or private email REQUIRED TEXT Chemical Prinicples S Zumdahl available at the ASUCLA Bookstore An optional study guide by the authors is also available In addition there is a course reader containing copies of all transparencies shown in classes This is from Course Reader Material a store at 1137 Westwood Blvd about one and a half blocks north of Wilshire READING HOMEWORK Read assigned material during the week of the related lectures Reading and suggested homework problems from the text are listed with the lecture schedule below It is your responsibility to do at least the suggested homework in order to master the material The more problems you do the more you will learn so it is in your best interest to do as many problems as you can including ones not suggested Homework solutions will be posted on the course website Homework is not graded EXAMINATIONS Each student must take assigned computer quizzes during the term see course web pages Two 50 minute midterm exams are scheduled during the regular lecture time slot The 3 hour final exam is also scheduled but not necessarily in the usual lecture room see below for details No make up exams will be given A legitimate reason e g verified serious illness for missing a midterm must be discussed with the instructor preferably prior to the exam NO ONE will be permitted to take the final exam outside the scheduled time and no one can receive a passing grade for the course without taking the final An Incomplete grade will be given only in the case of serious illness Drop petitions will only be signed up through the 10th week of classes Only non programmable non graphing calculators will be allowed during exams Pagers cell phones palm pilots etc are not allowed during lectures or exams Students found in possession of such items during exams or who commit other forms of academic dishonesty will receive a zero on the entire exam and be referred to the Dean of Students GRADING Sum of Mastering Chemistry quiz scores 20 The midterm on which you do better will count 25 toward the final grade the midterm on which you do worse will count 20 The final exam will count 35 toward your final grade The class is graded on a curve rather than an absolute scale PREREQUISITES This course assumes a working knowledge of high school mathematics chemistry and physics including exponentials logarithms algebra simple physics units significant figures molecular weights stoichiometry balancing equations etc You should also read and do extra problems in Chapters 12 and the appendices as needed Quizzes have self study components on the web Week Topics Reading R Problems HW 1 Conceptual Basis of Chem Equations and Reaction Yields R 1 1 1 3 1 4 2 5 2 8 include all of ch 3 12 12 12 6 HW Ch 2 s 27 29 33 a e 35 49 Ch 3 s 23 25 31 33 39 47 55 59 61 65 69 87 99 2 3 Quantum Mechanics Wave Particle Duality etc R all ch 12 except p 531 536 incl HW Ch 12 s 21 27 29 31 35 37 41 53 55 65 69 75 77 81 85 89 95 117 125 139 Mid term Exam I Wed 19th October Covers everything up to and including prior lecture 4 Hydrogen and many e atoms R same as for weeks 2 3 Periodic Trends HW same as for weeks 2 3 5 Classical molecular structure Lewis structures VSEPR etc 6 Quantum Mechanics and R 14 1 14 6 inclusive Molecular Structure HW Ch 14 s 11 19 21 25 31 35 MO and VB theories 37 41 R all ch 13 except 13 8 HW ch 13 s 11 13 25 27 47 59 67 75 77 101 105 107 a b Midterm Exam II Wed Nov 16th Covers everything since first mid term up to prior lecture 7 Intro to Spectroscopy R 14 7 14 11 inclusive HW Ch 14 s 43 44 45 47 48 8 Transition Metal Complexes 9 Organic Molecules Polymers HW 10 Intermolecular Forces R Ch 20 p 930 934 20 3 20 6 omit nomenclature 20 8 HW Ch 20 s 7 17 29 41 43 45 51 R all ch 22 but omit nomenclature HW Ch 22 s 17 21 29 31 41 47 51 77 107 115 R Chapter 16 1 16 2 HW Ch 16 s 11 15 17 19 21 Final Exam date TBA Comprehensive but 40 50 weigthed towards topics since mid term II