Zn(s) + HNO3(aq) →→→ Zn(NO3)2 (aq) + H₂(g) - Express your answer as a chemical equation. Identify all of the phases in your answer. Keep the order of compounds as in the original equation.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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**Balancing Chemical Equations**

To balance chemical equations, it is important to ensure that the number of atoms for each element is the same on both sides of the equation. Below are two examples for practice:

### Example A:

**Chemical Equation:**

\[ \text{Zn}(s) + \text{HNO}_3(aq) \rightarrow \text{Zn(NO}_3)_2(aq) + \text{H}_2(g) \]

- **Instructions**: Express your answer as a chemical equation. Identify all of the phases in your answer. Keep the order of compounds as in the original equation.

- **Phases**:
  - \( \text{Zn}(s) \): Solid
  - \( \text{HNO}_3(aq) \): Aqueous
  - \( \text{Zn(NO}_3)_2(aq) \): Aqueous
  - \( \text{H}_2(g) \): Gas

- **Input Box**: Type your balanced equation here.

**Options**:
- Checkbox: "A chemical reaction does not occur for this question."

**Controls**:
- Submit button.
- Request Answer link.

### Example B:

**Chemical Equation:**

\[ \text{Al}(s) + \text{H}_2\text{SO}_4(aq) \rightarrow \text{Al}_2(\text{SO}_4)_3(aq) + \text{H}_2(g) \]

- **Instructions**: Express your answer as a chemical equation. Identify all of the phases in your answer. Keep the order of compounds as in the original equation.

- **Phases**:
  - \( \text{Al}(s) \): Solid
  - \( \text{H}_2\text{SO}_4(aq) \): Aqueous
  - \( \text{Al}_2(\text{SO}_4)_3(aq) \): Aqueous
  - \( \text{H}_2(g) \): Gas

- **Input Box**: Type your balanced equation here.

**Options**:
- Checkbox: "A chemical reaction does not occur for this question."

**Controls**:
- Submit button.
- Request Answer link.

For detailed guidance, refer to your textbook, pages 227–232, Section 7.4, while completing these problems.
Transcribed Image Text:**Balancing Chemical Equations** To balance chemical equations, it is important to ensure that the number of atoms for each element is the same on both sides of the equation. Below are two examples for practice: ### Example A: **Chemical Equation:** \[ \text{Zn}(s) + \text{HNO}_3(aq) \rightarrow \text{Zn(NO}_3)_2(aq) + \text{H}_2(g) \] - **Instructions**: Express your answer as a chemical equation. Identify all of the phases in your answer. Keep the order of compounds as in the original equation. - **Phases**: - \( \text{Zn}(s) \): Solid - \( \text{HNO}_3(aq) \): Aqueous - \( \text{Zn(NO}_3)_2(aq) \): Aqueous - \( \text{H}_2(g) \): Gas - **Input Box**: Type your balanced equation here. **Options**: - Checkbox: "A chemical reaction does not occur for this question." **Controls**: - Submit button. - Request Answer link. ### Example B: **Chemical Equation:** \[ \text{Al}(s) + \text{H}_2\text{SO}_4(aq) \rightarrow \text{Al}_2(\text{SO}_4)_3(aq) + \text{H}_2(g) \] - **Instructions**: Express your answer as a chemical equation. Identify all of the phases in your answer. Keep the order of compounds as in the original equation. - **Phases**: - \( \text{Al}(s) \): Solid - \( \text{H}_2\text{SO}_4(aq) \): Aqueous - \( \text{Al}_2(\text{SO}_4)_3(aq) \): Aqueous - \( \text{H}_2(g) \): Gas - **Input Box**: Type your balanced equation here. **Options**: - Checkbox: "A chemical reaction does not occur for this question." **Controls**: - Submit button. - Request Answer link. For detailed guidance, refer to your textbook, pages 227–232, Section 7.4, while completing these problems.
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