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6 August, 06:39

Which of the following balanced chemical equations below best represents the following "word" equation: Nitrogen gas reacts with hydrogen gas to produce ammonia.

N2 + 3H2 - -> 2NH3

N + 2H2 - -> 2NH

N2 + H2 - -> NH3

N2 + 2H - -> 2NH3

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Answers (1)
  1. 6 August, 09:07
    0
    The answer to your question is the first option

    Explanation:

    According to the "word"equation:

    Reactants = Nitrogen gas = N₂ (g)

    Hydrogen gas = H₂ (g)

    Products = Ammonia = NH₃

    Reaction

    N₂ (g) + H₂ (g) ⇒ NH₃

    Now, we have to balance it

    Reactants Elements Products

    2 N 1

    2 H 3

    This reaction is unbalanced.

    Multiply NH₃ by 2 and H₂ by 3

    N₂ (g) + 3 H₂ (g) ⇒ 2 NH₃

    Now, we have to balance it

    Reactants Elements Products

    2 N 2

    6 H 6

    Now the reaction is balanced
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