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Hydrogen and fluorine react to form hydrogen fluoride, like this: H₂(g)+F₂(g) → 2 HF (g) The reaction is exothermic. Suppose a mixture of H₂, F2 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 The temperature is raised. The pressure of HF will The temperature is lowered. The pressure of H₂ will go up. go down. not change. ? shift in equilibrium O to the right Oto the left ○ (none) to the right Oto the left O (none) x

Hydrogen and fluorine react to form hydrogen fluoride, like this: H₂(g)+F₂(g) → 2 HF (g) The reaction is exothermic. Suppose a mixture of H₂, F2 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 The temperature is raised. The pressure of HF will The temperature is lowered. The pressure of H₂ will go up. go down. not change. ? shift in equilibrium O to the right Oto the left ○ (none) to the right Oto the left O (none) x

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Hydrogen and fluorine react to form hydrogen fluoride, like this: H₂(g)+F₂(g) → 2 HF (g) 2 The reaction is exothermic. Suppose a mixture of H₂, F₂ 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 The temperature is raised. The pressure of HF will The temperature is lowered. The pressure of H₂ will ✓ ? go up. go down. not change. ? U ↑ shift in equilibrium оо X to the right to the left (none) to the right to the left (none) Ś
Transcribed Image Text:Hydrogen and fluorine react to form hydrogen fluoride, like this: H₂(g)+F₂(g) → 2 HF (g) 2 The reaction is exothermic. Suppose a mixture of H₂, F₂ 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 The temperature is raised. The pressure of HF will The temperature is lowered. The pressure of H₂ will ✓ ? go up. go down. not change. ? U ↑ shift in equilibrium оо X to the right to the left (none) to the right to the left (none) Ś
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We have been given perturbations in given table and we have been asked to complete table. Exothermic reactions are the reactions in which there is release of heat energy in a reaction.

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