Update for 2-13-2013

Here is the update for today:

Chemistry 2 (SCS22):
• The key to Unit 7 Review Sheet can be downloaded by click here.
• Unit 7 Exam will be held Tomorrow - Bring #2 pencil, calculator, and Ref. Tables.  Work through the review sheet and study your notes!
• Due to the longer than expected boiling time (20+ minutes), most of you were not able to complete the experiment in time.  I have completed the experiment using 2 separate trials, please use the data from any one trial to complete your lab. sheet calculation and report write up:

Trial A
Step 1:  3.0 grams
Step 2: 128.7 grams
Step 6: 131.5 grams.

Trial B
Step 1: 3.0 grams
Step 2: 127.3 grams
Step 6: 129.9 grams.

I am enclosing a picture of the final product (sodium acetate):

• Reminder:  Your completed lab. report #18 is due Friday.


 Earth Science 2 (for SES22, SES42H, and SES42):
• Completed Lab. Sheet  #19 is DUE TOMORROW.

Dr. Liu