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March 24, 2017

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I know nothing about chemistry, but am wondering if someone could help me with these.

1) Balance this redox reaction using the oxidation-number method. Zn + O2 + HCl ® ZnCl2 + H2O


2) Balance this redox reaction using the half-reaction method. (basic solution) Zn + MnO4- ® Zn(OH)2 + MnO2

  • Chemistry - ,

    I believe #1 is 2Zn+02+4---->2Zn Cl2+2H20,can someone confirm?

  • Chemistry - ,

    1st one is right, the second one cant be right because there is no H on the left side.

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