### Balancing Chemical Equations**Example Problem:**Balance the following reaction:\[ \_\_\_ \, \text{AgNO}_3 (\text{aq}) + \_\_\_ \, \text{CaCl}_2 (\text{aq}) \rightarrow \_\_\_ \, \text{AgCl (s)} + \_\_\_ \, \text{Ca(NO}_3\text{)}_2 (\text{aq}) \]#### Step-by-Step Solution:1. **Write the unbalanced equation:** \[ \text{AgNO}_3 (\text{aq}) + \text{CaCl}_2 (\text{aq}) \rightarrow \text{AgCl (s)} + \text{Ca(NO}_3\text{)}_2 (\text{aq}) \]2. **List the number of atoms of each element in the reactants and products:** - **Reactants:** - Ag: 1 - NO\(_3\): 1 - Ca: 1 - Cl: 2 - **Products:** - Ag: 1 - NO\(_3\): 2 - Ca: 1 - Cl: 13. **Balance the atoms one element at a time, using coefficients:** - Balance the nitrate (NO\(_3\)) group first: - Reactants have 1 NO\(_3\), but products have 2 NO\(_3\). - So, place a coefficient of 2 in front of AgNO\(_3\) in the reactants: \[ 2 \, \text{AgNO}_3 (\text{aq}) + \_\_\_ \, \text{CaCl}_2 (\text{aq}) \rightarrow \_\_\_ \, \text{AgCl (s)} + \text{Ca(NO}_3\text{)}_2 (\text{aq}) \] - Now recount the atoms: - Reactants: - Ag: 2 - NO\(_3\): 2 - Ca: 1 - Cl: 2 - Products: - Ag: 1 - NO\(_3\): 2 - Ca: 1 - Cl

Balancing of reaction is based on law of conservation of atom i.e number of atoms of each element…

Answered: 2. Balance the following reaction:…

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2. Balance the following reaction: _AGNO3(ag)+ CaCl,(ag) - AgCI (s) + _ Ca(NO3)2(ag)

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

### Balancing Chemical Equations

**Example Problem:**

Balance the following reaction:

\[ \_\_\_ \, \text{AgNO}_3 (\text{aq}) + \_\_\_ \, \text{CaCl}_2 (\text{aq}) \rightarrow \_\_\_ \, \text{AgCl (s)} + \_\_\_ \, \text{Ca(NO}_3\text{)}_2 (\text{aq}) \]

#### Step-by-Step Solution:

1. **Write the unbalanced equation:**

\[ \text{AgNO}_3 (\text{aq}) + \text{CaCl}_2 (\text{aq}) \rightarrow \text{AgCl (s)} + \text{Ca(NO}_3\text{)}_2 (\text{aq}) \]

2. **List the number of atoms of each element in the reactants and products:**

- **Reactants:**
- Ag: 1
- NO\(_3\): 1
- Ca: 1
- Cl: 2

- **Products:**
- Ag: 1
- NO\(_3\): 2
- Ca: 1
- Cl: 1

3. **Balance the atoms one element at a time, using coefficients:**

- Balance the nitrate (NO\(_3\)) group first:
- Reactants have 1 NO\(_3\), but products have 2 NO\(_3\).
- So, place a coefficient of 2 in front of AgNO\(_3\) in the reactants:
\[ 2 \, \text{AgNO}_3 (\text{aq}) + \_\_\_ \, \text{CaCl}_2 (\text{aq}) \rightarrow \_\_\_ \, \text{AgCl (s)} + \text{Ca(NO}_3\text{)}_2 (\text{aq}) \]

- Now recount the atoms:
- Reactants:
- Ag: 2
- NO\(_3\): 2
- Ca: 1
- Cl: 2
- Products:
- Ag: 1
- NO\(_3\): 2
- Ca: 1
- Cl

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