Tuesday, December 1, 2009

Tuesday, December 1, 2009

1st - AP
Today we took a stoichiometry limiting reagent quiz. We went through the information in chapter 14. Remember that the old book has a lot of good information on this chapter in chapter 10. We got an assignment to write up a lab procedurre to be used next time in lab to identify the types of bonds in 10 unknown chemcials using, sight, d-water, oil, heat, conductivity. You will have only 15 minutes in lab next time to complete it. We also signed up for the appplication (extra credit) part of a lab on freezing point depression. Yum! We had a book assignmnet 2.6 Pg. 648 #1, 3, 13, 19, 21, 23, 25, 27, 31, 33.

3rd and 4th -Honors
Today we took a quiz on stoichiometry. We took notes on bond types. Then we talked with our lab partner and decided on a procedure to determine 10 different chemicals bond types. Then we did the lab. The purpose was to find out and describe why we chose the bond types for each chemical that we did. This will be lab 2.5 called Bonding in our lab notebook. We received a new worksheet for tonight , and we will correct the packet of worksheets next time.

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