Write the acidic equilibrium equation for HNO₂ 04 0³ 0² 00 0² 2 3 4 5 6 7 8 9 0 0, 0, 0, 0, 0, 0, 0, 0, 0. (1) (g) (aq) H₂O 1. DOCADO) H OH N H₂O* Reset xH₂O г 4+ Delete USOIL -2.52% e

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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**Title: Writing Acidic Equilibrium Equations for HNO2**

**Introduction**

Acidic equilibrium equations are essential in understanding how acids dissociate in water and how they interact with other substances. This exercise aims to guide students through the process of writing the acidic equilibrium equation for nitrous acid (HNO2).

**Step-by-Step Guide**

1. **Identify the Components**:
   - HNO2 (aq), which refers to nitrous acid in aqueous form.

2. **Dissociation Process**:
   - When HNO2 dissociates in water, it releases hydrogen ions (H+) and nitrite ions (NO2^-).

3. **General Equation**:
   - The general equilibrium equation for the dissociation of HNO2 can be written as:

     \[ \text{HNO}_2 \leftrightarrow \text{H}^+ + \text{NO}_2^- \]

**Keyboard Interface Explanation**

To input the equation using the online tool displayed in the image, follow these steps:

1. Use the number keys (1 to 9 and 0) for numerical values.
2. Use chemical symbols like 'H', 'N', 'O', and 'H2O' for crafting chemical formulas.
3. Utilize symbols like '^-' for ions and '↔' for equilibrium.
4. Make use of additional functionalities:
   - `(s)` for solid states.
   - `(l)` for liquid states.
   - `(g)` for gases.
   - `(aq)` for aqueous solutions.
   - ‘Reset’ button to clear the equation if you want to start over.

**Example Equation Entry**

Using the provided keyboard interface:

1. Click 'H', then 'N', 'O', '2' to write HNO2.
2. Click the equilibrium arrow '↔' symbol.
3. Enter 'H^+' followed by '+' and 'NO2^-'.

**Final Equation**

\[ \text{HNO}_2 (aq) \leftrightarrow \text{H}^+ (aq) + \text{NO}_2^- (aq) \]

**Reset and Delete**

- The 'Reset' button allows you to clear all input and start over if needed.
- The 'Delete' button helps correct mistakes by removing the last entered character or element.

**Conclusion**

By using this detailed guide and the provided keyboard interface on the educational platform, students
Transcribed Image Text:**Title: Writing Acidic Equilibrium Equations for HNO2** **Introduction** Acidic equilibrium equations are essential in understanding how acids dissociate in water and how they interact with other substances. This exercise aims to guide students through the process of writing the acidic equilibrium equation for nitrous acid (HNO2). **Step-by-Step Guide** 1. **Identify the Components**: - HNO2 (aq), which refers to nitrous acid in aqueous form. 2. **Dissociation Process**: - When HNO2 dissociates in water, it releases hydrogen ions (H+) and nitrite ions (NO2^-). 3. **General Equation**: - The general equilibrium equation for the dissociation of HNO2 can be written as: \[ \text{HNO}_2 \leftrightarrow \text{H}^+ + \text{NO}_2^- \] **Keyboard Interface Explanation** To input the equation using the online tool displayed in the image, follow these steps: 1. Use the number keys (1 to 9 and 0) for numerical values. 2. Use chemical symbols like 'H', 'N', 'O', and 'H2O' for crafting chemical formulas. 3. Utilize symbols like '^-' for ions and '↔' for equilibrium. 4. Make use of additional functionalities: - `(s)` for solid states. - `(l)` for liquid states. - `(g)` for gases. - `(aq)` for aqueous solutions. - ‘Reset’ button to clear the equation if you want to start over. **Example Equation Entry** Using the provided keyboard interface: 1. Click 'H', then 'N', 'O', '2' to write HNO2. 2. Click the equilibrium arrow '↔' symbol. 3. Enter 'H^+' followed by '+' and 'NO2^-'. **Final Equation** \[ \text{HNO}_2 (aq) \leftrightarrow \text{H}^+ (aq) + \text{NO}_2^- (aq) \] **Reset and Delete** - The 'Reset' button allows you to clear all input and start over if needed. - The 'Delete' button helps correct mistakes by removing the last entered character or element. **Conclusion** By using this detailed guide and the provided keyboard interface on the educational platform, students
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