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What does a catalyst do in a chemical reaction?

  1. Feb 18, 2006 #1
    What does a catalyst in a chemical reaction? I read wikipedia and the information is not very detailed to satisfy me. It basically says:

     
  2. jcsd
  3. Feb 18, 2006 #2

    siddharth

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    What a catalyst usually does is to lower the Energy of activation of the reaction by offering an alternate mechanism.
     
  4. Feb 18, 2006 #3
    Precisely, but in what consists this alternate mechanism?
     
  5. Feb 18, 2006 #4

    siddharth

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  6. Feb 19, 2006 #5
    Thank you very much, siddharth. How do you find these sites? I have searched a lot.
     
  7. Feb 19, 2006 #6

    siddharth

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    That was luck. I was trying to find a link to show you how V2O5 works as a catalyst in the contact process, when I came across this site.
     
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