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March 25, 2017

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Separate this redox reaction into its component half-reactions.

O2 + 2Zn -->2ZnO

  • chemistry - ,

    O2 == O^2-
    Zn ==> Zn^2+
    You can balance.

  • chemistry - ,

    Is it already balanced as is? When I tried I got it to all cancel out.

  • chemistry - ,

    I think it was balanced as you wrote it.
    O2 + 4e==> 2O^2-
    Zn ==> Zn2+ + 2e
    Multiply equn 1 by 1 and eqn 2 by 2.

    O2 + 4e ==> 2O^2-
    2Zn ==> 2Zn^2+ + 4e and add
    ------------------
    2Zn + O2 ==> 2ZnO

  • chemistry - ,

    sorry which of this is the oxidation reagent and reduction reagent

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