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Do the standard states still hold when it operates?

  1. Nov 29, 2014 #1
    A voltaic cell is composed with reactants and products in their standard states.So when it operates,the concentration of all substance must change,it should no be hold.Am i right?
  2. jcsd
  3. Nov 29, 2014 #2


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    Staff: Mentor

    While this statement can be right for some rare cases, in general most cells are not made with reactants in their standard state, quite the opposite. (Which actually answers your question, just not directly).
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