The reaction between nitrogen and hydrogen to produce ammonia is described as an equilibrium reaction. What substances are present in the reaction mixture when equilibrium has been obtained? a) 3H2 + N2 = 2NH3 b) N2 c) H2 d) NH4+ e) NH3
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Answer: When equilibrium has been obtained in the reaction between nitrogen (N2) and hydrogen (H2) to produce ammonia (NH3), all of the reactants and the products are present in the reaction mixture. The balanced chemical equation for this reaction, known as the Haber process, is:
N2(g) + 3H2(g) ⇌ 2NH3(g)
At equilibrium, you will find the following substances in the reaction mixture:
b) N2 - Nitrogen gas, the reactant c) H2 - Hydrogen gas, the reactant e) NH3 - Ammonia, the product
NH4+ (ammonium ion) is not present in this particular reaction mixture because the product of the Haber process is ammonia (NH3), not the ammonium ion.