Nitrogen and hydrogen react to form ammonia, like this: N,(9)+3H,(9)→ 2NH;(g) The reaction is exothermic. Suppose a mixture of N,, H, and NH, 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 shift in equilibrium Oto the right The temperature is lowered. O to the left The pressure of N, will O (none) O to the right O to the left The temperature is raised. The pressure of NH3 will O (none)

Nitrogen and hydrogen react to form ammonia, like this: N,(9)+3H,(9)→ 2NH;(g) The reaction is exothermic. Suppose a mixture of N,, H, and NH, 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 shift in equilibrium Oto the right The temperature is lowered. O to the left The pressure of N, will O (none) O to the right O to the left The temperature is raised. The pressure of NH3 will O (none)

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section: Chapter Questions

Problem 105QRT

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