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Quick Question

  1. Feb 22, 2007 #1
    Hi Guys, a quick answer will be great!!!

    Just wanting to know, what are some of the factors that affect the voltage of a galvanic cell?
  2. jcsd
  3. Feb 22, 2007 #2
    Come on guys, anyone?
  4. Feb 22, 2007 #3


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    You can't expect an answer within 15 minutes. And, besides, this is homework, and PF rules state that you should show your work before we can help you. What thoughts do you have on the question?
  5. Feb 22, 2007 #4
    Sorry buddy. I am just off to bed now, and was hoping for an answer before then... My thoughts are perhaps the type of wire used, if it is a good conductor and perhaps the type of salt bridge, though i am not entirely sure at all:)

    Can you guys just give me some factors that affect the voltage in a voltaigc cell, i know the obvious onne that the type of elements and ions used.

    This is for a chem prac, I want some factors to get me on the right track so I can select a certain factor that does change to voltage, and do more research on that specific area.

    Thanks all!
  6. Feb 22, 2007 #5
    I can't remember if Galvanic is producing or using electricity.
    If it's using electricity, try thinking about the amount of charge, and the ionisation energies of the electrodes.
  7. Feb 22, 2007 #6
    Look up redox potential, basically the sum of the two 1/2 reactions referenced to zero is the potential voltage for a cell, (but in actual terms, lots of factors further influence it.) see http://en.wikipedia.org/wiki/Galvanic_cell
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