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18 February, 07:58

Which of the following equations is balanced?

2H2 + O2 → 4H2O

4Na + O2 → 2Na2O

Fe2O3 + H2 → 2Fe + 3H2O

CH4 + O2 → CO2 + H2O

+4
Answers (2)
  1. 18 February, 09:11
    0
    The second one

    Explanation:

    4 Sodium and 2oxygen on the reactant side and 4Sodium and 2oxygen at the product side
  2. 18 February, 10:27
    0
    The first one.

    Explanation:

    There are 4 hydrogen and 2 oxygen on the reactants side. And there are 4 hydrogen and 2 oxygen on the products side
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