Difference between revisions of "Properties of Water: Penny Lab"

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<h1><span style="text-decoration: underline;">Testing the effect of Acid on the ability of water to remain on a penny for [[Biology]]</span></h1><h1><span style="text-decoration: underline;"></span></h1>by Matt, Staci, Veronica, Melissa, and Michael
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Testing the effect of Acid on the ability of water to remain on a penny for [[Biology]]
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by Matt, Staci, Veronica, Melissa, and Michael
 
[[Category:Biology]]
 
[[Category:Biology]]
  

Revision as of 03:33, 15 February 2008

Testing the effect of Acid on the ability of water to remain on a penny for Biology by Matt, Staci, Veronica, Melissa, and Michael

Baseline

Putting drops of wanter (pH 7) on a penny until surface tension breaks and the water spills of the penny.  Water is dropped onto the penny from a pipit suspended a few millimeters from the top of the water.


Matt
Plaz
Staci
Veronica
Melissa
31

34
42
25
29

35
45
38
35

31
34
42
32

42
40
50
31.75

35.5
40.25
38.75
Average of baseline averages: 36.56

Experiment

Replace water with a .25 molar sulfuric acid mixture with a pH of 2


Matt
Plaz
Staci
Veronica
Melissa
35
34
37
25
32
34

35
35
28
27

35
37
35
42

30
25
32
34.5

34.25
31.25
31.75
Average of baseline averages: 32.94

Results

3.62 drop decrease due to .25 molar sulfuric acid mixture with a pH of 2


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