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13 July, 19:15

Balancing chemical equations

NH3 + 5O2~4N O + H2O

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Answers (1)
  1. 13 July, 19:33
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    4NH₃ + 5O₂ → 4NO + 6H₂O

    Explanation:

    Chemical equation:

    NH₃ + O₂ → NO + H₂O

    Balanced chemical equation:

    4NH₃ + 5O₂ → 4NO + 6H₂O

    Steps:

    NH₃ + O₂ → NO + H₂O

    N = 1 N = 1

    H = 3 H = 2

    O = 2 O = 2

    NEXT:

    2NH₃ + O₂ → NO + H₂O

    N = 1*2=2 N = 1

    H = 3*2=6 H = 2

    O = 2 O = 2

    NEXT:

    2NH₃ + O₂ → 2NO + 3H₂O

    N = 1*2=2 N = 1*2=2

    H = 3*2=6 H = 2*3=6

    O = 2 O = 3+2 = 5

    Now we will balance the oxygen:

    2NH₃ + 5/2O₂ → 2NO + 3H₂O

    N = 1*2=2 N = 1*2=2

    H = 3*2=6 H = 2*3=6

    O = 2*5/2 = 5 O = 3+2 = 5

    2*2NH₃ + 2*5/2O₂ → 2*2NO + 2*3H₂O

    4NH₃ + 5O₂ → 4NO + 6H₂O
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