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Help with a reaction equation

  1. Dec 6, 2005 #1
    I have a first order reaction that after 35 minutes 33.8% of the reactant remains, i am trying to find out the rate constant k from these two figures but i am rubbish at physical chemisty can anyone point me in the wright direction please?
  2. jcsd
  3. Dec 7, 2005 #2


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    use the half life equation....
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