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<div class="moz-cite-prefix">On 3/29/21 3:39 PM, wrote:<br>
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Hey Dr. Pounds, </div>
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I was going through the ppt notes and the example on slide 247
used log to find the reaction order but in class we used natural
log to solve number 2 on the worksheet, why is that? </div>
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Thank You, </div>
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<p>On that example I was taking a ratio of logarithms -- so it does
not matter if I use log base 10 or log base e. <br>
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<p>Remember, to change bases...</p>
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<p><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mo
lspace="0em" rspace="0em">log</mo><mn>10</mn></msub><mo
stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><mfrac><mrow><mo
lspace="0em" rspace="0em">ln</mo><mo stretchy="false">(</mo><mi>x</mi><mo
stretchy="false">)</mo></mrow><mrow><mo lspace="0em"
rspace="0em">ln</mo><mo stretchy="false">(</mo><mn>10</mn><mo
stretchy="false">)</mo></mrow></mfrac></mrow><annotation
encoding="TeX">\log_{10}(x)=\frac{\ln(x)}{\ln(10)}</annotation></semantics></math><br>
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<p>so because I am taking a ratio the ln(10) would cancel out. To
be completely truthful, I probably should have just used ln(x) on
the notes.<br>
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<p><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><br>
</mrow></semantics></math></p>
<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
Director of the Computational Science Program
Mercer University, Macon, GA 31207 (478) 301-5627
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