<html>
<head>
<meta content="text/html; charset=ISO-8859-1"
http-equiv="Content-Type">
</head>
<body bgcolor="#FFFFFF" text="#000000">
On 12/04/2012 03:09 PM, wrote:
<blockquote
cite="mid:C40B2F181831EF44A88CD7352582780305E306@MERCERMAIL.MercerU.local"
type="cite">
<meta http-equiv="Content-Type" content="text/html;
charset=ISO-8859-1">
<style type="text/css" id="owaParaStyle"></style>
<div style="direction: ltr;font-family: Tahoma;color:
#000000;font-size: 10pt;">Dr. Pounds,
<div><br>
</div>
<div>For problems 16.I and J, how do I go about calculating the
q/V with two different elements with different masses,
rotational temperatures, and vibrational temperatures? Should
I calculate them separately and add them?</div>
<div><br>
</div>
</div>
</blockquote>
<br>
For the mass of a heteronuclear diatomice molecule you do it like
you did in Gen Chem. You add up the molar masses of the individual
atoms and then divide by 1000 (if you are using SI units) and then
divide by Avogadro's number to get the mass of a single molecule.<br>
<br>
The rotational and vibrational temperatures are in Table 16.2. If,
however, they were not there you could calculate them using
spectroscopic data (Table 13.4) and the appropriate equations in the
text for the characteristic temperatures (which are summarized in my
class handout).<br>
<br>
<br>
<br>
<pre class="moz-signature" cols="72">--
Andrew J. Pounds, Ph.D. (<a class="moz-txt-link-abbreviated" href="mailto:pounds@theochem.mercer.edu">pounds@theochem.mercer.edu</a>)
Associate Professor of Chemistry and Computer Science
Mercer University, Macon, GA 31207 (478) 301-5627
</pre>
</body>
</html>