Carbon dioxide and water react to form methane and oxygen, like this: CO₂(g) + 2H₂O(g) → CH₂(g) +20₂(g) The reaction is endothermic. Suppose a mixture of CO₂, H₂O, CH₂ and O₂ 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 CO₂ will ? The temperature is raised. The pressure of CH4 will ? v shift in equilibrium to the right O to the left O (none) O to the right O to the left O (none)

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Chapter1: Chemical Foundations
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Carbon dioxide and water react to form methane and oxygen, like this:
CO₂(g) + 2H₂O(g) → CH₂(g) +20₂(g)
The reaction is endothermic. Suppose a mixture of CO₂, H₂O, CH4 and O₂ 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 CO₂ will ?
The temperature is raised. The pressure of CH4 will ?
v
shift in equilibrium
to the right
O to the left
O (none)
O to the right
O to the left
O (none)
X
S
Transcribed Image Text:Carbon dioxide and water react to form methane and oxygen, like this: CO₂(g) + 2H₂O(g) → CH₂(g) +20₂(g) The reaction is endothermic. Suppose a mixture of CO₂, H₂O, CH4 and O₂ 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 CO₂ will ? The temperature is raised. The pressure of CH4 will ? v shift in equilibrium to the right O to the left O (none) O to the right O to the left O (none) X S
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