View source for Properties of Water: Penny Lab

<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
[[Category:Biology]]

<h2><span style="font-weight: bold;">Baseline</span><br></h2><p>Putting drops of wanter (pH 7) on a penny until surface tension breaks and the water spills of the penny.&nbsp; Water is dropped onto the penny from a pipit suspended a few millimeters from the top of the water.</p><br><div><table id="c08w" border="1" bordercolor="#000000" cellpadding="3" cellspacing="0"><tr><td style="text-decoration: underline;" width="20%">Matt<br></td><td style="text-decoration: underline;" width="20%">Plaz<br></td><td style="text-decoration: underline;" width="20%">Staci<br></td><td style="text-decoration: underline;" width="20%">Veronica<br></td><td style="text-decoration: underline;" width="20%">Melissa<br></td></tr><tr><td width="20%">31<br></td><td width="20%"><br></td><td width="20%">34<br></td><td width="20%">42<br></td><td width="20%">25<br></td></tr><tr><td width="20%">29<br></td><td width="20%"><br></td><td width="20%">35<br></td><td width="20%">45<br></td><td width="20%">38<br></td></tr><tr><td width="20%">35<br></td><td width="20%"><br></td><td width="20%">31<br></td><td width="20%">34<br></td><td width="20%">42<br></td></tr><tr><td width="20%">32<br></td><td width="20%"><br></td><td width="20%">42<br></td><td width="20%">40<br></td><td width="20%">50<br></td></tr><tr><td style="font-weight: bold;" width="20%">31.75<br></td><td style="font-weight: bold;" width="20%"><br></td><td style="font-weight: bold;" width="20%">35.5<br></td><td style="font-weight: bold;" width="20%">40.25<br></td><td style="font-weight: bold;" width="20%">38.75<br></td></tr></table></div>Average of baseline averages: <b>36.56<br><br></b>

<h2><b>Experiment</b></h2><p><b> </b>Replace water with a .25 molar sulfuric acid mixture with a pH of 2</p><br><div><table id="k:k:" border="1" bordercolor="#000000" cellpadding="3" cellspacing="0"><tr><td style="text-decoration: underline;" width="20%">Matt<br></td><td style="text-decoration: underline;" width="20%">Plaz<br></td><td style="text-decoration: underline;" width="20%">Staci<br></td><td style="text-decoration: underline;" width="20%">Veronica<br></td><td style="text-decoration: underline;" width="20%">Melissa<br></td></tr><tr><td width="20%">35<br></td><td width="20%">34<br></td><td width="20%">37<br></td><td width="20%">25<br></td><td width="20%">32<br></td></tr><tr><td width="20%">34<br></td><td width="20%"><br></td><td width="20%">35<br></td><td width="20%">35<br></td><td width="20%">28<br></td></tr><tr><td width="20%">27<br></td><td width="20%"><br></td><td width="20%">35<br></td><td width="20%">37<br></td><td width="20%">35<br></td></tr><tr><td width="20%">42<br></td><td width="20%"><br></td><td width="20%">30<br></td><td width="20%">25<br></td><td width="20%">32<br></td></tr><tr><td style="font-weight: bold;" width="20%">34.5<br></td><td style="font-weight: bold;" width="20%"><br></td><td style="font-weight: bold;" width="20%">34.25<br></td><td style="font-weight: bold;" width="20%">31.25<br></td><td style="font-weight: bold;" width="20%">31.75<br></td></tr></table>Average of baseline averages: <b>32.94<br><br></b><h2><b>Results</b></h2><p><b>3.62 drop decrease due to .</b>25 molar sulfuric acid mixture with a pH of 2</p>
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