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<font face="serif">On the lab you are not only asked to write
balanced cell reactions for reactions involving different metals,
but in the case of copper you are asked to write balanced
reactions for systems with the same metal, but with different
concentrations. You can do something like this.<br>
<br>
Cu<sup>2+</sup> (0.10 M) + Cu (s) -> Cu<sup>2+</sup> (0.01 M) +
Cu (s) </font><br>
<font face="serif"><br>
Now note, while <img style="vertical-align: middle"
src="cid:part1.07000802.00080800@mercer.edu"
alt="$E^{\circ}_{\mathrm{cell}}$"> will be zero in this case, </font><font
face="serif"><font face="serif"><img style="vertical-align:
middle" src="cid:part2.07090509.00020802@mercer.edu"
alt="$E_{\mathrm{cell}}$"> will not.<br>
<br>
Let me know what other questions you have.<br>
<br>
</font> </font>
<pre class="moz-signature" cols="72">--
Andrew J. Pounds, Ph.D. (<a class="moz-txt-link-abbreviated" href="mailto:pounds_aj@mercer.edu">pounds_aj@mercer.edu</a>)
Professor of Chemistry and Computer Science
Mercer University, Macon, GA 31207 (478) 301-5627
<a class="moz-txt-link-freetext" href="http://faculty.mercer.edu/pounds_aj">http://faculty.mercer.edu/pounds_aj</a>
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