Write the equilibrium constant expression for this reaction: CH;Cl(aq)+OH¯(aq) → CH;OH(aq)+CI (aq)

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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### Writing the Equilibrium Constant Expression for a Chemical Reaction

In chemical equilibrium, the rate at which reactants convert to products is balanced by the rate at which products convert back to reactants. The equilibrium constant expression, \( K_c \), quantitatively describes this balance for a given reaction.

#### Example Reaction:

\[ \text{CH}_3\text{Cl}(aq) + \text{OH}^-(aq) \rightleftharpoons \text{CH}_3\text{OH}(aq) + \text{Cl}^-(aq) \]

For this reaction:

- **Reactants**:
  - \(\text{CH}_3\text{Cl}(aq)\)
  - \(\text{OH}^-(aq)\)
  
- **Products**:
  - \(\text{CH}_3\text{OH}(aq)\)
  - \(\text{Cl}^-(aq)\)

#### Equilibrium Constant Expression:

The equilibrium constant expression for this reaction is derived from the concentrations of the products and reactants at equilibrium:

\[ K_c = \frac{[\text{CH}_3\text{OH}][\text{Cl}^-]}{[\text{CH}_3\text{Cl}][\text{OH}^-]} \]

Where:
- \([\text{CH}_3\text{OH}]\) is the concentration of methanol.
- \([\text{Cl}^-]\) is the concentration of chloride ion.
- \([\text{CH}_3\text{Cl}]\) is the concentration of methyl chloride.
- \([\text{OH}^-]\) is the concentration of hydroxide ion.

### Interactive Component:

In order to input the equilibrium constant expression, a digital interface is provided with various formatting tools.

#### Diagram Explanation:

- **Input Box**: A blank rectangular box is present for students to type in their equilibrium constant expression.
- **Formatting Tools**: To the right of the input box, there are several icons:
  - **Square Root Symbol**: For mathematical operations involving roots.
  - **Bracket Tools**: To assist in inserting and formatting chemical concentrations.
  - **Reset Button**: To clear the input box.
  - **Help Icon**: To provide assistance or hints about writing equilibrium constant expressions.
Transcribed Image Text:### Writing the Equilibrium Constant Expression for a Chemical Reaction In chemical equilibrium, the rate at which reactants convert to products is balanced by the rate at which products convert back to reactants. The equilibrium constant expression, \( K_c \), quantitatively describes this balance for a given reaction. #### Example Reaction: \[ \text{CH}_3\text{Cl}(aq) + \text{OH}^-(aq) \rightleftharpoons \text{CH}_3\text{OH}(aq) + \text{Cl}^-(aq) \] For this reaction: - **Reactants**: - \(\text{CH}_3\text{Cl}(aq)\) - \(\text{OH}^-(aq)\) - **Products**: - \(\text{CH}_3\text{OH}(aq)\) - \(\text{Cl}^-(aq)\) #### Equilibrium Constant Expression: The equilibrium constant expression for this reaction is derived from the concentrations of the products and reactants at equilibrium: \[ K_c = \frac{[\text{CH}_3\text{OH}][\text{Cl}^-]}{[\text{CH}_3\text{Cl}][\text{OH}^-]} \] Where: - \([\text{CH}_3\text{OH}]\) is the concentration of methanol. - \([\text{Cl}^-]\) is the concentration of chloride ion. - \([\text{CH}_3\text{Cl}]\) is the concentration of methyl chloride. - \([\text{OH}^-]\) is the concentration of hydroxide ion. ### Interactive Component: In order to input the equilibrium constant expression, a digital interface is provided with various formatting tools. #### Diagram Explanation: - **Input Box**: A blank rectangular box is present for students to type in their equilibrium constant expression. - **Formatting Tools**: To the right of the input box, there are several icons: - **Square Root Symbol**: For mathematical operations involving roots. - **Bracket Tools**: To assist in inserting and formatting chemical concentrations. - **Reset Button**: To clear the input box. - **Help Icon**: To provide assistance or hints about writing equilibrium constant expressions.
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