WAYNE STATE UNIVERSITY CHEM 131 CHEMICAL PRINCIPLES & ANALYSIS I FALL 1997

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1 WAYNE STATE UNIVERSITY CHEM 131 CHEMICAL PRINCIPLES & ANALYSIS I FALL 1997 STAFF Instructor: Dr. Mary T. Office: 33 Chemistry Office Hours: MWF 2:00P-3:00P or any time by appointment Lab/Quiz Instructors: Sylvain Cruchon-Dupeyrat 70 Chemistry Billie Shepherd 50 Chemistry Joanne Wittbrodt 353 Chemistry SCHEDULE LECTURE 12:50P - 1:45P MWF 1109 Science Quiz 10:40A - 11:35A Th 312 State Joanne Wittbrodt Lab 12:50P - 5:00P Th 1028 Science Quiz 11:45A - 12:40P Th 453 Chemistry Sylvain Cruchon-Dupeyrat Lab 12:50P - 5:00P Th 1002 Science 249 Life Science Quiz 12:50P - 1:45P Th 453 Chemistry Billie Shepherd Lab 8:30A - 12:40P Th 1002 Science 249 Life Science REQUIRED MATERIALS Textbooks: Other: 1. Oxtoby & Nachtrieb, Principles of Modern Chemistry, 3rd ed. 2. Schenk, Qualitative Analysis and Ionic Equilibrium (lab book for CHM 108) 3. Laboratory Handouts 1. Bound laboratory notebook 8 x 10 (pages must be numbered in ink) 2. Breakage fee card, $ Material fee card, $15.00 GRADING CRITERIA 3 Hour Exams Mon. Sept. 29, Mon. Oct. 27, Mon. Nov pts Final Exam Wed. Dec. 17 (10:40A-1:10P) 200 pts Homework Weekly 300 pts Quizzes Weekly 100 pts Lab Based on lab write-ups and on unknown samples 100 pts Total points possible 1000 pts

2 LECTURE & LABORATORY SCHEDULE FOR CHM 131, FALL 1997 Week Date Lecture Topic Chapter Quiz Laboratory 1 Sept. 3-5 Introduction & Review 1-2 Check in, MSDS & Intro. to the Computer Gases 3 Quiz 1 Determination of the Gas Constant Liquids, Solutions 4 Quiz 2 Density of Liquids Chemical Equilibrium 5 Quiz 3 Volumetric Determination of Chloride 5 29 FIRST HOURLY EXAM Oct. 1-3 Acid-Base Equilibria 6 Determination of an Equilibrium Constant Acid-Base Equilibria 6 Quiz 4 Hess s Law Solubility & Precipitation 7 Quiz 5 Qualitative Analysis (Group 1) Chemical Thermodynamics 8 Quiz 6 Qualitative Analysis (Group 2A) 9 27 SECOND HOURLY EXAM Chemical Thermodynamics & Equilibrium 9 Qualitative Analysis (Group 2B) 10 Nov. 3-7 Electrochemistry / Oxidation-Reduction 10 Quiz 7 Qualitative Analysis (Group 3A) Chemical Kinetics 11 Quiz 8 Qualitative Analysis (Group 3B) Quantum Mechanics & Atomic Structure 13 Quiz 9 Qualitative Analysis (General Unknown) THIRD HOURLY EXAM Chemical Bonding 14 Qualitative Analysis (General Unknown) THANKSGIVING HOLIDAY 14 Dec. 1-5 Chemical Bonding 14 Quiz 10 CHECK OUT OF LAB Chemical Bonding & 14, 16 Structure FINAL EXAM 10:40A-1:10P 2

3 COURSE POLICIES 1. Excused absences for examinations must be approved BEFORE the starting time of the exam. (Dr. will be in her office before the start of each exam and may be reached there by phone in the event of last minute emergencies. (See office phone number on the previous page)). 2. Homework assignments will be given out on most Mondays and will be due the following Monday at the BEGINNING of class. There will be a total of ten homework assignments worth 30 points each. Late assignments will be accepted until 10:30A on the Thursday morning immediately following the due date. However, a penalty of 5 points per day late will be incurred. Deadline extensions may be given for exceptional cases. Excused extensions must be arranged PRIOR to the time at which the assignment is due. Although collaboration on homework assignments is acceptable, each student must turn in an INDEPENDENT assignment that represents THEIR OWN work. 3. Quizzes will be given during most meetings of the Quiz sections (see attached schedule). There will be a total of ten quizzes worth 10 points each. The quizzes will be based on the homework assigned for that week and are intended to help prepare you for the next exam. There will be no make ups for quizzes. 4. Show all of your work on problems given on exams, homework and quizzes. Providing only the correct final answer will result in very few points. Regrades on exams, homework assignments and quizzes must be taken care of within one week after they are returned. 5. Grades will be based on the following scale. Depending upon the class performance grade cutoffs may go down slightly (they will NOT go up under any circumstances). A pts B C D E < Students wishing to transfer to CHM 107 may do so during the first two weeks if an open section is available. The last day for which approval will be granted for dropping CHM 131 is Monday, October For policies regarding the laboratory, see page 4. 3

4 INSTRUCTIONS FOR RECORDING INFORMATION IN YOUR LABORATORY NOTEBOOKS I. Use only a bound notebook of the type designated for this course. II. After skipping the first two right hand pages, number all of the right hand pages sequentially. III. The Table of Contents should be recorded on the first two pages skipped above and should be updated each time a new experiment is entered. IV. Record all data in the notebook AT THE TIME THAT YOU OBTAIN IT!!! As noted below, use only the right hand pages for recording data; the left hand pages can be used to make notes to yourself, or for rough calculations, etc.) Do not record any data on unbound sheets of paper with the intention of copying it into the notebook later. Notebooks must be up to data at ALL times to be legitimate. V. All entries must be made in the notebook IN INK!!! VI. The information recorded in the notebook should be organized as follows: 1. TITLE OF EXPERIMENT & DATE - (at the top of the first page for that experiment). 2. UNKNOWN # - (if applicable) - listed beside title of experiment and CIRCLED! 3. PURPOSE OF EXPERIMENT - A three to five line description of the reasons for doing the experiment 4. PROCEDURE - often required especially in higher level courses but is not in this course as all procedures are provided on handouts or in the laboratory manual. You may include procedures if you wish, but they will not be graded. 5. DATA - Raw data may be written on the left page if you desire. However, FINAL DATA must be shown on the right page (including such items as size of sample used, initial and final weights and/or burette readings and the net volume delivered, weighings, etc.) INCLUDE APPROPRIATE SIGNIFICANT FIGURES AND UNITS! 6. CALCULATIONS - Show at least one complete calculation in detail. If multiple determinations are made, only the final result of the calculation needs to be recorded for replicate determinations. WATCH SIGNIFICANT FIGURES AND INCLUDE UNITS WHENEVER APPROPRIATE! 7. RESULTS - DRAW A BOX around your final result so that the grader may find it easily. 8. CONCLUSIONS - Make some intelligent comments about your results. Be sure to explain probable sources of error, especially when data appears to be in error. 4

5 WHAT IS THE PURPOSE OF THE CHEMISTRY SEQUENCE? Chemistry 131 is the highest level beginning college-level general chemistry course offered at Wayne State. The laboratory associated with this course includes qualitative analysis. Chemistry 131 is followed by Chemistry 132 which includes a laboratory in quantitative analysis. Together, Chemistry 131 (5 hrs) and 132 (5 hrs) represent an integrated accelerated sequence which includes all of the material normally covered in the three-semester sequence Chemistry 107 (4 hrs), 108 (5 hrs) and 312 (4 hrs). (NOTE: Credit cannot be earned for CHM 312 after completing CHM 132.) Thus, the pace of the sequence is quite rapid, but thorough. By completing this sequence, you will be off to a faster start in your science curriculum. The CHM sequence is designed for students who have done well in high school chemistry and who are willing to work at a more rapid pace. It is not intended for geniuses, but is principally intended for students who are considering a career in chemistry, medicine or chemical engineering, or other science curricula. Students completing CHM 131 are expected to continue on into CHM 132 (although this is not a requirement). Therefore, individuals who intend to complete only one semester of chemistry are not encouraged to enroll. Both CHM 131 and 132 carry honors credit which may be applied toward an Honors degree. However, only a small fraction of students who complete this sequence continue to pursue Honors degrees. In general, students who have a distinct interest in science are encouraged to enroll without regard to their participation in the Honors program. Students who are uncertain about their ability to survive in CHM 131 are encouraged to discuss their background with Dr. during the first week of class. If necessary, arrangements can be made to transfer to the CHM 107 lecture section meeting at the same time. For students who complete CHM 131 but find the pace to be burdensome, it is possible to enroll in CHM 108 for the second semester. This will result in some repetition of material and will eliminate the advantage of completing the material in CHM 131 and 132 in an accelerated manner. Normally, a few students each year choose to do this, however, and this course of action may be recommended by the instructor in a few cases. Although many of the students enrolled in CHM have had more than one year of high school chemistry, only one year is required for entering this sequence. All of the material normally covered in a second-year high school chemistry course will be covered again in CHM 131, but the pace at which material will be covered is accelerated because it is presumed that all students enrolled are capable of mastering the material on the first exposure. Past analyses of student performance in CHM 131 and 132 have indicated that students who have had a second year of high school chemistry do not necessarily perform better than those who have had only a single year. Interestingly, it has also been shown that there is almost no correlation between the score achieved on the CHM 107 placement exam and the final grades obtained in CHM 131 and 132. The main requirement for achieving top grades in CHM 131 and 132 is a willingness to WORK HARD! Because the CHM sequence has a limited enrollment, the atmosphere in the classroom is much more intimate and class discussion is highly encouraged. Within the first three weeks it is expected that all members of the class will be acquainted. Thus it is hoped that the entire experience of beginning chemistry will be enhanced for those who elect to take this sequence. 5

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