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11 April, 16:03

Look at the chemical equation:

3H2 + N2 → 2NH3

How many atoms of hydrogen (H) are present on both sides of the equation?

2

3

5

6

+3
Answers (2)
  1. 11 April, 16:14
    0
    On both sides of the equation, there are 5 atoms of H

    Explanation:

    H₂ is a dyatomic molecule, so it has 2 atoms.

    In ammonia, there are 3 atoms of H plus 1 atom of N.
  2. 11 April, 16:20
    0
    6

    Explanation:

    Hello,

    In this case, based on the given balanced chemical reaction, one notices that at the reactants there are six hydrogens as its stoichiometric coefficient is 3 and its subscript 2, therefore by multiplying the result is 6. On the other hand, at the products, we see 2 as the ammonia's stoichiometric coefficient and 3 as the hydrogen's subscript, therefore, by multiplying the result is 6 which substantiates the reaction as correctly balanced.

    Best regards.
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