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Identify Gas based on Temperature and Speed of Sound

  1. Feb 2, 2010 #1
    So the question is, How would I go about identifying an unknown monatomic gas if you have measured its temperature and the speed of sound in the gas.

    I was thinking of using the ideal gas law to determine mass of a single molecule in kilograms or its molar mass, then from there somehow calculate its atomic mass? Am I going in the right direction? If so, I'm not sure how to get from its molecular mass to its atomic mass.
     
  2. jcsd
  3. Feb 2, 2010 #2

    chemisttree

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    Use http://hyperphysics.phy-astr.gsu.edu/Hbase/sound/souspe3.html" [Broken] instead...
     
    Last edited by a moderator: May 4, 2017
  4. Feb 2, 2010 #3
    Right. I know how to calculate M. The issue is getting from M to the actual element.
     
  5. Feb 2, 2010 #4

    chemisttree

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    Use http://www.webelements.com/" [Broken]
     
    Last edited by a moderator: May 4, 2017
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