Consider the following reaction at equilibrium: $2 N H_{3} (g) ⇌ N_{2} (g) + 3 H_{2} (g)$ $2NH_3(g) rightleftharpoons N_2(g) + 3H_2(g)$ $DeltaH = +92.4 kJ$ . What does Le Chatelier's Principle predicts will happen when adding $N_2(g)$ to the system at equilibrium?

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Consider the following reaction at equilibrium: $2 N H_{3} (g) ⇌ N_{2} (g) + 3 H_{2} (g)$ $2NH_3(g) rightleftharpoons N_2(g) + 3H_2(g)$ $DeltaH = +92.4 kJ$ . What does Le Chatelier's Principle predicts will happen when adding $N_2(g)$ to the system at equilibrium?

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Answer 1 · 2016-12-07T09:01:26

Well, the equilibrium will shift to the left as written.

Explanation:

See this old answer for a few more details. Le Chatelier's principle describes how equilibria evolve under stress. I think the direction equilibrium change is fairly unambiguous should $[N_2]$ increase or decrease. See here for another [spray.](https://socratic.org/questions/what-is-le-chatelier-s-principle-used-to-explain)

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Consider the following reaction at equilibrium: $2 N H_{3} (g) ⇌ N_{2} (g) + 3 H_{2} (g)$ $2NH_3(g) rightleftharpoons N_2(g) + 3H_2(g)$ $DeltaH = +92.4 kJ$ . What does Le Chatelier's Principle predicts will happen when adding $N_2(g)$ to the system at equilibrium?

1 Answer

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