Two students went to front of class and discussed the heating lab.
I summarized the results and showed that the heating curves can be used to identify different liquids.
Drew the experimental set-up for distillation. Showed that if you have 2 liquids you should use 3 test tubes and if you have 3 liquids you should use 5 test tubes.
Handed out RA 2.1b, RA 2.2a
Students worked on these for the remainder of the class.
Wednesday, March 18, 2009
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