In the following reaction, will the [H2] increase or decrease when equilibrium is reestablished after these stresses are applied? N2 (g) + 3 H2 (g) 2 NH3 (g) AH°= -22 kJ NH:(g) is added pressure is increased N2(g) is removed temperature is increased

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**Equilibrium and Reaction Shifts in the Haber Process**

In the following reaction, will the concentration of hydrogen gas \([H_2]\) increase or decrease when equilibrium is reestablished after these stresses are applied?

\[ \text{N}_2(g) + 3 \text{H}_2(g) \rightleftharpoons 2 \text{NH}_3(g) \quad \Delta H^\circ = -22 \, \text{kJ} \]

- **NH\(_3(g)\) is added**: ___________
- **Pressure is increased**: ___________
- **N\(_2(g)\) is removed**: ___________
- **Temperature is increased**: ___________

**Explanation:**

This problem is based on Le Chatelier's Principle, which states that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium moves to counteract the change. Here, the equilibrium involves nitrogen (\(\text{N}_2\)), hydrogen (\(\text{H}_2\)), and ammonia (\(\text{NH}_3\)) with an exothermic reaction (\(-22 \, \text{kJ}\)). You'll need to assess whether each stress will increase or decrease hydrogen concentration upon reestablishing equilibrium.
Transcribed Image Text:**Equilibrium and Reaction Shifts in the Haber Process** In the following reaction, will the concentration of hydrogen gas \([H_2]\) increase or decrease when equilibrium is reestablished after these stresses are applied? \[ \text{N}_2(g) + 3 \text{H}_2(g) \rightleftharpoons 2 \text{NH}_3(g) \quad \Delta H^\circ = -22 \, \text{kJ} \] - **NH\(_3(g)\) is added**: ___________ - **Pressure is increased**: ___________ - **N\(_2(g)\) is removed**: ___________ - **Temperature is increased**: ___________ **Explanation:** This problem is based on Le Chatelier's Principle, which states that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium moves to counteract the change. Here, the equilibrium involves nitrogen (\(\text{N}_2\)), hydrogen (\(\text{H}_2\)), and ammonia (\(\text{NH}_3\)) with an exothermic reaction (\(-22 \, \text{kJ}\)). You'll need to assess whether each stress will increase or decrease hydrogen concentration upon reestablishing equilibrium.
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