Sulfur dioxide and oxygen react to form sulfur trioxide, like this: 2 SO₂(g) + O₂(g) → 2 SO 3(g) The reaction is exothermic. Suppose a mixture of SO₂, O₂ and SO3 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 The temperature is lowered. change in composition The pressure of SO3 will The temperature is raised. The pressure of SO₂ will ? ? Ⓒ shift in equilibrium to the right Oto the left (none) to the right Oto the left O (none)

Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter7: Reaction Rates And Chemical Equilibrium
Section: Chapter Questions
Problem 7.81P
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Sulfur dioxide and oxygen react to form sulfur trioxide, like this:
2 SO₂(g) + O₂(g) → 2 SO 3(g)
The reaction is exothermic. Suppose a mixture of SO2, O₂ and SO3 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
The temperature is
lowered.
change in composition
The pressure of SO3 will
The temperature is raised. The pressure of SO₂ will
?
?
î
↑
shift in equilibrium
O
X
to the right
to the left
(none)
to the right
to the left
(none)
S
Transcribed Image Text:Sulfur dioxide and oxygen react to form sulfur trioxide, like this: 2 SO₂(g) + O₂(g) → 2 SO 3(g) The reaction is exothermic. Suppose a mixture of SO2, O₂ and SO3 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 The temperature is lowered. change in composition The pressure of SO3 will The temperature is raised. The pressure of SO₂ will ? ? î ↑ shift in equilibrium O X to the right to the left (none) to the right to the left (none) S
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