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June 30, 2015

Homework Help: Chemistry

Posted by Sara on Thursday, October 14, 2010 at 8:21am.

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

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