CHEM 1225 Spring 1999

Laboratory Information

• Laboratory Experiment changes for the week of March 8 - 11, 1999.
  • This week's laboratory procedure has not been changed, however, there will be a short post laboratory surprise (a quiz) worth three points after you have completed and turned in this week's laboratory write-up.
• Laboratory Experiment changes for the week of February 22 - 26, 1999.
  • The important features of this laboratory are the Beer's Law graph, and the determination of the slope of the graph so you can determine the concentration of an unknown. The Beer's Law graph on page 2-16 will be graded so listen carefully to your TA. At the bottom of page 2-15 be sure to show your how you determined the Relative Concentration of your unknown.
  • The only major change in this week's experiment is in the data in Post-Laboratory question #3. The new data is;

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• Be sure to get your CHEM 1225 Laboratory Manual BEFORE going to laboratory this week. You will need the Safety Quiz in your Laboratory Manual. If you do not have your Laboratory Manual for lab this week, talk to your TA immediately.
• During the first week of laboratory (1/11/99) you will view the Safety videotape. ALL students must view the tape and answer the questions on the safety quiz BEFORE they can do any laboratories. If you did not attend laboratory this week you will have to view the tape next week (1/18/99).
• During the week of 1/18/99 you will check into your lockers. Everyone must have a locker to begin laboratory.
• Use the laboratory time during the first two weeks of class to work on the Review Problem Set and Problem Set #1. This will be a good time to get to know your TA.