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19 August, 11:35

4) 4 NH3 + 3 O2  2 N2 + 6 H2O

a. Write the mole ratio for NH3 to N2

b. Write the mole ratio for H2O to O2

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  1. 19 August, 14:20
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    4 NH₃ + 3O₂ - - > 2N₂ + 6H₂O

    First, make sure that this is a balanced equation.

    There are 4 moles of nitrogen on the left side, and 4 moles of nitrogen on the right side.

    There are 12 moles of hydrogen on the left side, and 12 moles of hydrogen on the right side.

    There are 6 moles of oxygen on the left side, and 6 moles of oxygen on the right side.

    The equation is therefore balanced, and we may proceed.

    a) the mole ratio for NH₃ to N₂ is 4 to 2, which can be simplified to 2:1 or 2/1.

    b) the mole ratio for H₂O to O₂ is 6 to 3, which can be simplified to 2:1 or 2/1.
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