Areaction involves the following elementary steps:

h2(g)+o2(g) > h2o2(g)

h2(g)+h2o2(g) > 2h2o(g)

a)what is the sum of the two reactions, retaining all chemical species? remember to include states of matter.

b)what is the net reaction when reactive intermediates are cancelled? include states of matter.

Explanation:

      H₂ + O₂ → H₂O₂

      H₂ + H₂O₂ → 2H₂O

The sum of the two equations is a combined equation where all the compounds on the reactant sides are written on the Left hand side and the products are all on the right hand side:

     We then have:

    H₂ + H₂ + O₂ → 2H₂O

        combining the two repeating hydrogen gas:

                    2H₂ + O₂ → 2H₂O

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