Fall 2001 CHEMISTRY 20L (LAST DAY TO DROP 20L: October 12) Laboratory Schedule SAFETY GLASSES, LAB COATS, AND CLOSED-TOE SHOES MUST BE WORN IN THE LABORATORY AT ALL TIMES. FAILURE TO DO SO WILL RESULT IN DISMISSAL FROM THE LABORATORY Prelab Reports Laboratory Videotape Study Related Text Postlabs Due Date (if any)3 Assignment Assignment1 Topics2 Materials2 Due Date 3 9/25 – 9/28 Safety and Pipets Video #5805 Safety p.1 - 3 10/2 – 10/5 (No Pre-lab) 1- Pipets #5806 Use of a Pipet p. 5 10/2 – 10/5 2 -Solutions & Concentrations #5802 Solution p.2 - 3 F43 - F49 10/9 – 10/12 Equipment Overview Preparation p. 20 - 31 F56 - F69 10/9 – 10/12 3 - Determination of Nitrogen #5804 Spectrophotometric 10/16 – 10/19 Oxides and Particulates in Analysis p. 20 - 31 Cigarette Smoke GraphLab4 10/16 – 10/19 Mastering Chemistry Workshop (Preparation for midterm exam) (NO PRE-LAB) NONE 10/23 – 10/26 4 - Introduction to Titrations #5801 Use of a Buret p. 4 & 12 F85 - F90 10/30 – 11/2 10/30 – 11/2 5 - Analysis of Phosphates in Detergents p. 4 & 12 F478 - F483 11/6 – 11/9 11/6 – 11/9 6 - A Study of a Weak Acid (week 1 ONLY) p. 4&12; 20-31 445-468; 499-521 12/4 – 12/7 11/13 – 11/16 6 - A Study of Buffers (week 2 ONLY) p. 4&12; 20-31 445-468; 499-521 12/4 – 12/7 11/20 – 11/23 NO LABS 11/27 – 11/30 EXCEL Workshop (Handout) (NO PRE-LAB) NONE 1 Videotapes are available in Powell 270 or on the WWW (http://www.oid.ucla.edu/Webcast/Chemistry/index.html). You are to view these programs (except #5805 and #5806) before your lab section meets. 2 Study topics are from the lab manual. Related text materials are from Chemical Principles - The Quest for Insight, 1st Ed., Atkins and Jones, Freeman Publishing Co., 1999. However, you may use ANY general chemistry textbook that you have for review of the appropriate topics. 3 Prelab Reports are due at the beginning of your regularly scheduled lab period. Postlab reports are due at the end of your regularly scheduled period listed under "Due Date". 4 This computer tutorial is in the Science Learning Center - Young Hall South - Room. 4335 and 433612/4 – 12/7 Lab Clean-up (Attendance Required) NO LABORATORY WORK WILL BE ACCEPTED AFTER 5:00 PM, December 7, 2001Chem 20L Mastering Chemistry Software This is an excellent chemistry resource for those of you who want to review and practice more chemistry problems. It will help you to prepare for the exams (NOTE: ONE question on EACH exam will be based directly from the software) and also help you to understand some basic concepts behind the experiment. Mastering Chemistry software is developed by Professor Wegner from California State University, Fullerton. The software is available on the Internet. Note: the software can only run on PCs equipped with Netscape browser (the software does not run on Mac). To access "Mastering Chemistry", go to either room 1054 or 4335 or 4336 Young Hall. Logon to the computers by using your first initial and your last name as your login name (example: login name for Joe Bruin is jbruin). The password is your student ID. If you have trouble logging on to the computers, ask the staff for help. Once you logged on, open up the "Netscape" browser (the software may not run properly on Internet Explorer) and go to the following web site http://ffc.chem.ucla.edu/mcweb/. Click on the "Go to Sign Up" icon for students if you are first time using the Mastering Chemistry software. At the end of the registration process, you will be asked to enter the course name. The course name is 20lf01 (ALL LOWER CASE LETTERS). You will also be asked to enter the course password (this is not the same as your user password). Enter "142142200". Follow the instructions on the screen to finish the registration process. You may also run the software directly from home by going to the same web site. However, in order to run "Mastering Chemistry" properly on your OWN computer, you will need to download some shareware from the web (click on "Downloads" on the left-hand column of the MC login page. Follow instructions on screen to complete all the necessary downloads). If you are using the computers located in rooms 1054 or 4335 or 4336 Young, there is NO NEED to download any software. Login name and password are required to logon to the computers in Young Hall. Once you have successfully logged on to the Mastering Chemistry Software, a list of topics will display on the screen. Approximately two weeks before the midterm and/or final, I will announce in class which topics need to be finished before the exam. Note: There will be TAs holding office hours in 1054 Young to answer any questions with regard to 20L and/or Mastering Chemistry
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