The Boiling Point Experiment

2892 Words Feb 19th, 2010 12 Pages
Hypothesis:
I think that in this experiment the results of the boiling point of each sample is going be slighly different from what I found on Internet. aim: my aim is to look at what temperature and how long the following alcohol (methanol, I-butanol, Ethanol and Hexane) reach their boiling point and comparing the results that I found on internet and mine.
Materials:

Alcohol: Ethanol, I-Butanol, Ethanol and Hexane
Four Test tubes (boiling tube)
Test tubes holder
Data logger
Hot plates
Bunsen burner
Beaker 500 ml
Measuring cylinder

Independent Variable: The alcohol
Controlled variable: Keep the same
Dependent Variable: The temperature

Method:
1) Prepare and clean the materials before beginning the experiment. Take four Boil tube
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ethanol
Time Temperature Temp s °C

0 27.4994508574
0.5 27.4762345534
1 27.4762345534
1.5 27.4762345534
2 27.4762345534
2.5 27.4994508574
3 27.4762345534
3.5 27.4994508574
4 27.4994508574
4.5 27.4762345534
5 27.4994508574
5.5 27.6155450809
6 27.8695805867
6.5 28.7270220798
7 30.2142956025
7.5 31.8045814029
8 33.1246738839
8.5 34.3602091779
9 35.7524205845
9.5 37.0388134403
10 38.3163858101
10.5 39.6113653833
11
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