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Hydrogen and fluorine react to form hydrogen fluoride, like this: H,(9)+F,(9) → 2 HF(g) The reaction is exothermic. Suppose a mixture of H,, F, and HF 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 to the right O to the left The temperature is raised. The pressure of H2 will O (none) O to the right O to the left The temperature is lowered. The pressure of HF will O (none)

Hydrogen and fluorine react to form hydrogen fluoride, like this: H,(9)+F,(9) → 2 HF(g) The reaction is exothermic. Suppose a mixture of H,, F, and HF 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 to the right O to the left The temperature is raised. The pressure of H2 will O (none) O to the right O to the left The temperature is lowered. The pressure of HF will O (none)

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 71QRT
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Hydrogen and fluorine react to form hydrogen fluoride, like this: H,(9)+F,(9) → 2 HF(g) The reaction is exothermic. Suppose a mixture of H,, F, and HF 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 to the right to the left The temperature is raised. The pressure of H2 will ? (none) to the right The temperature is lowered. to the left The pressure of HF will ? O (none) ?
Transcribed Image Text:Hydrogen and fluorine react to form hydrogen fluoride, like this: H,(9)+F,(9) → 2 HF(g) The reaction is exothermic. Suppose a mixture of H,, F, and HF 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 to the right to the left The temperature is raised. The pressure of H2 will ? (none) to the right The temperature is lowered. to the left The pressure of HF will ? O (none) ?
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