Acetylene and oxygen react to form carbon dioxide and water, like this: 20,H,(2) +50,(8) 4CO,(8)+2H,0(g) Suppose a mixture of C,H, 0,, Co, and H,O 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 O to the right The pressure of O, will O to the left Some C,H, is removed. The pressure of co, will O (none) O to the right The pressure of C,H, will O to the left Some H,0 is added. The pressure of O, will O (none)

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Chapter5: Gases
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please put the correct number of significant figures

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### Acetylene and Oxygen Reaction to Form Carbon Dioxide and Water

Acetylene and oxygen react to form carbon dioxide and water, as represented by the balanced chemical equation:

\[ 2C_2H_2(g) + 5O_2(g) \rightarrow 4CO_2(g) + 2H_2O(g) \]

Suppose a mixture of \( C_2H_2 \), \( O_2 \), \( CO_2 \), and \( H_2O \) 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.

#### Perturbations Table

| Perturbation                | Change in Composition                          | Shift in Equilibrium |
|-----------------------------|------------------------------------------------|----------------------|
| Some \( C_2H_2 \) is removed. | The pressure of \( O_2 \) will                 | \(\;\downarrow\;\;\;\;\;\uparrow\;\;\;\;\; (none) \)\<br> The pressure of \( CO_2 \) will                  | \(\;\downarrow\;\;\;\;\; \uparrow\;\;\;\;\; (none) \)      | \(\ \circ\;\; to the right \)<br> \(\ \circ\;\; to the left \)<br> \(\ \circ\;\; (none) \)            |
| Some \( H_2O \) is added.       | The pressure of \( C_2H_2 \) will             | \(\;\downarrow\;\;\;\;\;\uparrow\;\;\;\;\;(none) \)\<br> The pressure of \( O_2 \) will                | \(\;\downarrow\;\;\;\;\; \uparrow\;\;\;\;\;(none) \)\         | \(\ \circ\;\; to the right \)<br> \(\ \circ\;\; to the left \)<br> \(\ \circ\;\; (none) \)           |
Transcribed Image Text:--- ### Acetylene and Oxygen Reaction to Form Carbon Dioxide and Water Acetylene and oxygen react to form carbon dioxide and water, as represented by the balanced chemical equation: \[ 2C_2H_2(g) + 5O_2(g) \rightarrow 4CO_2(g) + 2H_2O(g) \] Suppose a mixture of \( C_2H_2 \), \( O_2 \), \( CO_2 \), and \( H_2O \) 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. #### Perturbations Table | Perturbation | Change in Composition | Shift in Equilibrium | |-----------------------------|------------------------------------------------|----------------------| | Some \( C_2H_2 \) is removed. | The pressure of \( O_2 \) will | \(\;\downarrow\;\;\;\;\;\uparrow\;\;\;\;\; (none) \)\<br> The pressure of \( CO_2 \) will | \(\;\downarrow\;\;\;\;\; \uparrow\;\;\;\;\; (none) \) | \(\ \circ\;\; to the right \)<br> \(\ \circ\;\; to the left \)<br> \(\ \circ\;\; (none) \) | | Some \( H_2O \) is added. | The pressure of \( C_2H_2 \) will | \(\;\downarrow\;\;\;\;\;\uparrow\;\;\;\;\;(none) \)\<br> The pressure of \( O_2 \) will | \(\;\downarrow\;\;\;\;\; \uparrow\;\;\;\;\;(none) \)\ | \(\ \circ\;\; to the right \)<br> \(\ \circ\;\; to the left \)<br> \(\ \circ\;\; (none) \) |
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