The Haber-Bosch process is a very important industrial process. In the Haber-Bos

Question

The Haber-Bosch process is a very important industrial process. In the Haber-Bosch process, hydrogen gas reacts with nitrogen gas to produce ammonia according to the equation

3H2(g)+N2(g)?2NH3(g)

The ammonia produced in the Haber-Bosch process has a wide range of uses, from fertilizer to pharmaceuticals. However, the production of ammonia is difficult, resulting in lower yields than those predicted from the chemical equation.

1.42g H2 is allowed to react with 10.5g N2, producing 1.66g NH3.

Part A : What is the theoretical yield for this reaction under the given conditions?

Explanation / Answer

3H2 + N2 --> 2NH3
1.42 g H2 = 0.710 moles
10.32 g N2 = 0.369
H2 is limiting reactant (0.369 mole N2 requires 1.107 moles H2)
0.710 moles H2 yields 0.473 moles NH3
0.473 moles NH3 x 17 grams/mole = 8.05 g NH3
Theoretical yield = 8.05 g
Actual yield = 34.5% of theoretical

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