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How to know if a mulecule is polar or nonpolar

  1. Jan 24, 2009 #1
    Co_2

    h_2o
     
  2. jcsd
  3. Jan 24, 2009 #2
    it would be easier to read your posts if you used the subscripts and other helpful parts. heres a link:

    www.physicsforums.com-misc-howtolatex.pdf[/URL]
     
    Last edited by a moderator: Apr 24, 2017
  4. Jan 25, 2009 #3
    what is the general theory??
     
  5. Jan 25, 2009 #4
    well you find the partial charges and if one side is more charged (i.e H2O) then its a polar molecule
     
  6. Jan 25, 2009 #5

    DaveC426913

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    Gold Member

    If you compare the http://en.wikipedia.org/wiki/Carbon_dioxide" [Broken] you will see that CO2 is symmetrical whereas H20 is asymmetrical. This is what leads to the imbalance in charge.
     
    Last edited by a moderator: May 3, 2017
  7. Jan 25, 2009 #6
  8. Jan 25, 2009 #7

    DaveC426913

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    Gold Member

    Well, Wiki was my choice, not the OP's, and I am merely refering to it to show the diagram of the molecules. Even Wiki couldn't screw that up...
     
  9. Jan 25, 2009 #8
    lol
    well i cant explain it better than to say that the angle of the bonding affects the polarity
     
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