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    Oxidation and Reduction Equations

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    Hey. I don't know how to anser this question. It's 20.22 in Chemistry: The Central Science 11E.

    Complete and balance the following equations, and identify the oxidizing and reducing agents. Recall that the O atoms in hydrogen peroxide, H2O2, have an atypical oxidation state.

    b) S (s) + HNO3 (aq) --> H2SO3 (aq) + N2O (g) (acidic solution)

    e) NO2 - (aq) + Al (s) --> NH4 + (aq) + AlO2 - (aq) (basic solution)

    Could you please show work? And no powerpoints please!

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    Solution Preview

    First one...
    The obvious balancing issue here is with the nitrogen (N). One on the left and 2 on the right... This is simply solved in this instance by balancing with 2 moles of HNO3.
    Nitric acid is the oxidising agent in this case. It is a very strong acid, so in ...

    Solution Summary

    Oxidation and reduction equations for hydrogen peroxide are determined.