How many molecules are on the reactants N2

Make the calculations: n(N2)reacted = 1/3*n(H2) = 3 molecules n(NH3)produced = 2/3*n(H2) = 6 molecules The number of unreacted molecules of N2 is 4 – 3 = 1 molecule. Hydrogen is the limiting reactant, so no hydrogen molecules remain unreacted. This can be fixed by multiplying the product contacting nitrogen by 2. o The new chemical equation is N2 +H2 →2 NH3 Reactants Products Nitrogen 2 2 Hydrogen 2 6 Since NH3 is multiplied by a coefficient of 2 there are now 2 nitrogens and 6 hydrogens. The 6 hydrogens come from the 2 multiplied by the subscript of 3.

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if you mean hydrogen and oxygen then water is the product