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<p><font face="serif">Correction -- there is no [H2] in the final
equation because the steady state approximation gives and
expression for the [N2O2] concentration that has [H2] in the
denominator, so when you use it in the second step to find the
rate of [N2O] it cancels.</font></p>
<p><font face="serif">Should be </font></p>
<div class="moz-forward-container"><font face="serif">d[N2O]/dt =
k_1 k_2 [NO]^2 / (k_(-1) - k_2)</font><br>
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<td>Number 3 on the Worksheet</td>
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<th valign="BASELINE" align="RIGHT" nowrap="nowrap">Date: </th>
<td>Thu, 6 Nov 2025 16:18:48 -0500</td>
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<th valign="BASELINE" align="RIGHT" nowrap="nowrap">From: </th>
<td>Andrew J. Pounds <a class="moz-txt-link-rfc2396E" href="mailto:pounds_aj@mercer.edu"><pounds_aj@mercer.edu></a></td>
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<td><a class="moz-txt-link-abbreviated" href="mailto:pounds_aj@mercer.edu">pounds_aj@mercer.edu</a></td>
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<th valign="BASELINE" align="RIGHT" nowrap="nowrap">To: </th>
<td><a class="moz-txt-link-abbreviated" href="mailto:chm330@theochem.mercer.edu">chm330@theochem.mercer.edu</a></td>
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<p><font face="serif">When I worked number 3 in class the other
day I had mistakingly pulled my solution from an older
worksheet. If you use the steady state equation and the two
step mechanism from Worksheet 5 the rate of appearance of N2O
should be</font></p>
<p><font face="serif">d[N2O]/dt = k_1 k_2 [NO]^2 [H2] / (k_(-1) -
k_2)</font></p>
<div class="moz-signature">-- <br>
<b><i>Andrew J. Pounds, Ph.D.</i></b><br>
<i>Professor of Chemistry and Computer Science</i><br>
<i>Director of the Computational Science Program</i><br>
<i>Mercer University, Macon, GA 31207 (478) 301-5627</i></div>
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