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    Determining the oxidation half reactions for an equation

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    What is the oxidation half reaction for: 2H2O-->O2(g)+2H2(g)

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    https://brainmass.com/chemistry/oxidation-reduction-and-electrochemistry/determining-the-oxidation-half-reactions-for-an-equation-6481

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    4 H20 + 4 e- -> 2 H2 (g) + 4 OH- (aq)
    2H20 - -> O2 (g) + 4 e- + 4 H + (aq)

    Adding the two equations

    6 H20+ 4 e- - -> 2 H2 (g) + O2 (g) + 4 e- + 4 H + (aq) ...

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    The solution determines the oxidation half reactions for an equation

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