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13.4 Exercise 15

Avg difficulty 2.5

Analysis of the gases in a sealed reaction vessel containing NH3, N2, and H2 at equilibrium at 400 °C established the concentration of N2 to be 1.2 M and the concentration of H2 to be 0.24 M.

N2(g)+3H2(g)⇌2NH3(g)Kc=0.50at400°C\text{N}_{2} \left(g\right) + 3 \text{H}_{2} \left(g\right) \rightleftharpoons 2 \text{NH}_{3} \left(g\right) K_{c} = 0.50 \text{at} 400 ° \text{C}

Calculate the equilibrium molar concentration of NH3.

OpenStax Chemistry 2e, 13.4 Equilibrium Calculations, exercise 15

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Adapted from General Chemistry © 2019 Rice University. Licensed under CC BY 4.0. Sources: Chemistry 2e, Chemistry: Atoms First 2e. Imported at revision 32c7196.