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      <pubDate>Wed, 17 Oct 2012 03:23:35 GMT</pubDate>
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         <pubDate>Wed, 17 Oct 2012 02:36:28 GMT</pubDate>
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         <title>Lecture 1  Atomic Theory I  Energy and Waves   Cos</title>
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         <pubDate>Thu, 03 Feb 2011 17:29:07 GMT</pubDate>
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         <title>Lecture 2  Atomic Theory II  Bohr Model   CosmoLea</title>
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         <pubDate>Thu, 03 Feb 2011 17:14:39 GMT</pubDate>
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         <pubDate>Sun, 21 Jun 2009 20:05:03 GMT</pubDate>
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         <title>gas review part 2</title>
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         <pubDate>Sat, 13 Jun 2009 03:02:28 GMT</pubDate>
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         <title>gas review 1</title>
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         <pubDate>Sat, 13 Jun 2009 02:58:20 GMT</pubDate>
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         <title>Pressure</title>
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         <pubDate>Mon, 01 Jun 2009 22:10:21 GMT</pubDate>
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         <title>ideal gas law</title>
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         <pubDate>Mon, 01 Jun 2009 22:09:48 GMT</pubDate>
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         <title>Grahams KMT real gases</title>
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         <pubDate>Mon, 01 Jun 2009 22:08:32 GMT</pubDate>
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         <title>Gas stoichiometry part 2</title>
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         <pubDate>Mon, 01 Jun 2009 22:07:42 GMT</pubDate>
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         <title>Gas Stoichiometry part 1</title>
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         <pubDate>Mon, 01 Jun 2009 22:06:47 GMT</pubDate>
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         <title>Gas Laws1</title>
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         <pubDate>Mon, 01 Jun 2009 22:04:31 GMT</pubDate>
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         <title>Net ioni equations</title>
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         <pubDate>Mon, 01 Jun 2009 22:01:20 GMT</pubDate>
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         <title>double rep and acid base</title>
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         <pubDate>Mon, 01 Jun 2009 22:00:23 GMT</pubDate>
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         <title>electrochem part 3</title>
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         <pubDate>Mon, 04 May 2009 20:12:11 GMT</pubDate>
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         <title>electrochem part 2</title>
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         <pubDate>Mon, 04 May 2009 20:05:25 GMT</pubDate>
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         <title>electrochem part 1</title>
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         <pubDate>Mon, 04 May 2009 19:57:01 GMT</pubDate>
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         <title>solubility Ksp</title>
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         <title>solubility</title>
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         <title>Solution Formation</title>
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         <title>5Phase Changes Involving Solids</title>
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         <title>3SOM and Vapor pressure</title>
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