mixed melting points - Nadia Garcia Chemistry 3A Section...

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Unformatted text preview: Nadia Garcia Chemistry 3A Section 301 Experiment 3: Mixed Melting Points Part 1: In order to find another student in my lab section with the same unknown solid as mine, we had to focus on melting points. First, each individual determined the melting point of their unknown solid and entered it on the class table on the board. After, students who had very similar melting point ranges paired up to determine whether their solid was identical or not. To do this, we mixed both of the unknown solids together and then determined the melting point range of the combined solids. If it was near to what each individual got before, then the solids were identical. If the melting point had either increased or decreased, then it was obvious that the solids were different. Part 2: Ratio of A:B Average melting point (C) 100/0 100 90/10 98.5 80/20 87 70/30 82.85 60/40 72 50/50 73.5 40/60 59.4 30/70 59.35 20/80 63.15 10/90 61.7 0/100 70 Many values were omitted because they were dramatically different from the rest of the values in that...
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This note was uploaded on 04/22/2009 for the course CHEM 3AL taught by Professor Li during the Spring '08 term at University of California, Berkeley.

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mixed melting points - Nadia Garcia Chemistry 3A Section...

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