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Nitrogen and hydrogen react to form ammonia, like this: N₂(g) + 3H₂(g) → 2NH₂ (9) The reaction is exothermic. Suppose a mixture of N₂, H₂ and NH3 has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation change in composition The temperature is raised. The pressure of NH3 will? The temperature is lowered. The pressure of N₂ will ? go up. go down. not change. shift in equilibrium O to the right to the left O (none) to the right to the left O (none) X 3

Nitrogen and hydrogen react to form ammonia, like this: N₂(g) + 3H₂(g) → 2NH₂ (9) The reaction is exothermic. Suppose a mixture of N₂, H₂ and NH3 has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation change in composition The temperature is raised. The pressure of NH3 will? The temperature is lowered. The pressure of N₂ will ? go up. go down. not change. shift in equilibrium O to the right to the left O (none) to the right to the left O (none) X 3

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.101PAE: 12.101 An engineer working on a design to extract petroleum from a deep thermal reservoir wishes to...
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KINETICS AND EQUILIBRIUM Using Le Chatelier's Principle to predict the result of changing... Nitrogen and hydrogen react to form ammonia, like this: N₂(g) +3 H₂(g) →2NH₂(g) The reaction is exothermic. Suppose a mixture of N₂, H₂ and NH3 has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation change in composition The temperature is raised. The pressure of NH3 will ? The temperature is lowered. The pressure of N₂ will ? ? go up. go down. not change. shift in equilibrium to the right to the left O (none) to the right to the left O (none) X 1/5
Transcribed Image Text:KINETICS AND EQUILIBRIUM Using Le Chatelier's Principle to predict the result of changing... Nitrogen and hydrogen react to form ammonia, like this: N₂(g) +3 H₂(g) →2NH₂(g) The reaction is exothermic. Suppose a mixture of N₂, H₂ and NH3 has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation change in composition The temperature is raised. The pressure of NH3 will ? The temperature is lowered. The pressure of N₂ will ? ? go up. go down. not change. shift in equilibrium to the right to the left O (none) to the right to the left O (none) X 1/5
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