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Draw an arrow showing which way the reaction must shift to reestablish equilibrium. 2 SO₂ (g) + O₂(g) → 2 SO, (g) Remove 0₂ or SO2: Add 02 or SO₂: 2 SO₂ (g) + O₂(g) → 2 SO, (g) Add S03: Remove SO3: 2 SO₂ (g) + O₂(g) → 2 SO, (g) 2 SO₂ (g) + O₂(g) → 2 SO, (g)

Draw an arrow showing which way the reaction must shift to reestablish equilibrium. 2 SO₂ (g) + O₂(g) → 2 SO, (g) Remove 0₂ or SO2: Add 02 or SO₂: 2 SO₂ (g) + O₂(g) → 2 SO, (g) Add S03: Remove SO3: 2 SO₂ (g) + O₂(g) → 2 SO, (g) 2 SO₂ (g) + O₂(g) → 2 SO, (g)

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 120QRT
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Equilibrium Some chemical reactions occur both in the forward direction & the reverse direction. 2 SO₂ (g) + O₂(g) →2 SO, (g) 2 SO, (g) 2 SO₂ (g) + O₂(g) Forward: Reverse: 2 SO₂ (g) + O₂(g) →2 SO, (g) Written as a single reaction: Eventually the rate of the reverse reaction equals the rate of the forward reaction, chemical equilibrium has been reached. 0₂ SO₂ SO₂ SO2 O₂ SO₂ You can think of a chemical reaction in equilibrium like a balance - substances are moving from the left pan to the right pan at the same rate as from the right pan to the left so, the bal- ance stays even. SO2 O2 SO2 SO3 SO3 Changes in Equilibrium = Le Chatlier's Principle Le Chatlier's Principle-when stress is put on a system in equilibrium, the equilibrium is shifted to relieve the stress. Possible stresses: addition of reactant, removal of reactant, addition of product, removal of product (Note: heat can be a reactant or a product). In the case of the balance, if we add (or remove) substances from one of the pans, the balance (equilibrium) is disrupted. Remove 0₂ or SO2: In order to get the balance back, there has to be a shift of substance from the heavy pan to the light pan. Draw an arrow showing which way the reaction must shift to reestablish equilibrium. 2 SO₂ (g) + O₂(g) → 2 SO, (g) Add SO3: Add 02 or S02: 2 SO₂ (g) + O₂ (g) 2 SO, (g) Remove SO3: SO3 SO3 SO3 SO3 2 SO₂ (g) + O₂(g) → 2 SO, (g) 2 SO₂ (g) + O₂(g) → 2 SO, (g) 5
Transcribed Image Text:Equilibrium Some chemical reactions occur both in the forward direction & the reverse direction. 2 SO₂ (g) + O₂(g) →2 SO, (g) 2 SO, (g) 2 SO₂ (g) + O₂(g) Forward: Reverse: 2 SO₂ (g) + O₂(g) →2 SO, (g) Written as a single reaction: Eventually the rate of the reverse reaction equals the rate of the forward reaction, chemical equilibrium has been reached. 0₂ SO₂ SO₂ SO2 O₂ SO₂ You can think of a chemical reaction in equilibrium like a balance - substances are moving from the left pan to the right pan at the same rate as from the right pan to the left so, the bal- ance stays even. SO2 O2 SO2 SO3 SO3 Changes in Equilibrium = Le Chatlier's Principle Le Chatlier's Principle-when stress is put on a system in equilibrium, the equilibrium is shifted to relieve the stress. Possible stresses: addition of reactant, removal of reactant, addition of product, removal of product (Note: heat can be a reactant or a product). In the case of the balance, if we add (or remove) substances from one of the pans, the balance (equilibrium) is disrupted. Remove 0₂ or SO2: In order to get the balance back, there has to be a shift of substance from the heavy pan to the light pan. Draw an arrow showing which way the reaction must shift to reestablish equilibrium. 2 SO₂ (g) + O₂(g) → 2 SO, (g) Add SO3: Add 02 or S02: 2 SO₂ (g) + O₂ (g) 2 SO, (g) Remove SO3: SO3 SO3 SO3 SO3 2 SO₂ (g) + O₂(g) → 2 SO, (g) 2 SO₂ (g) + O₂(g) → 2 SO, (g) 5
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