Balance the following reactions. Do not leave anything blank. (a) fill in blank Na + fill in blank 02 → fill in blank Na,0 (b) fill in blank KclO4 → fill in blank KCI + fill in blank 02 (c) fill in blank Zn + fill in blank Pb(NO3)2 - fill in blank Zn(NO3)2 + fill in blank Pb

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
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Balancing Chemical Reactions:**

**Objective:**
Balance the following chemical reactions. Do not leave anything blank.

### Reaction Equations:

**(a)** \( \text{fill in blank} \) Na + \( \text{fill in blank} \) \( \text{O}_2 \) → \( \text{fill in blank} \) \( \text{Na}_2O \)

**(b)** \( \text{fill in blank} \) \( \text{KClO}_4 \) → \( \text{fill in blank} \) \( \text{KCl} \) + \( \text{fill in blank} \) \( \text{O}_2 \)

**(c)** \( \text{fill in blank} \) Zn + \( \text{fill in blank} \) \( \text{Pb(NO}_3\text{)}_2 \) → \( \text{fill in blank} \) \( \text{Zn(NO}_3\text{)}_2 \) + \( \text{fill in blank} \) Pb

### Instructions:
1. Carefully balance each chemical equation to maintain the law of conservation of mass.
2. Ensure that the number of atoms for each element is equal on both the reactant and product sides of the equation.
3. Fill in the blanks with appropriate coefficients to balance the equations.

### Tips for Balancing Chemical Equations:
- Identify the most complex substance first.
- Start by balancing elements that appear only once on each side of the equation.
- Balance polyatomic ions as a whole when they appear unchanged on both sides.
- Leave hydrogen and oxygen to balance last if they are in multiple compounds.

By following these steps and filling in the appropriate coefficients, you can balance the given chemical reactions efficiently.
Transcribed Image Text:**Balancing Chemical Reactions:** **Objective:** Balance the following chemical reactions. Do not leave anything blank. ### Reaction Equations: **(a)** \( \text{fill in blank} \) Na + \( \text{fill in blank} \) \( \text{O}_2 \) → \( \text{fill in blank} \) \( \text{Na}_2O \) **(b)** \( \text{fill in blank} \) \( \text{KClO}_4 \) → \( \text{fill in blank} \) \( \text{KCl} \) + \( \text{fill in blank} \) \( \text{O}_2 \) **(c)** \( \text{fill in blank} \) Zn + \( \text{fill in blank} \) \( \text{Pb(NO}_3\text{)}_2 \) → \( \text{fill in blank} \) \( \text{Zn(NO}_3\text{)}_2 \) + \( \text{fill in blank} \) Pb ### Instructions: 1. Carefully balance each chemical equation to maintain the law of conservation of mass. 2. Ensure that the number of atoms for each element is equal on both the reactant and product sides of the equation. 3. Fill in the blanks with appropriate coefficients to balance the equations. ### Tips for Balancing Chemical Equations: - Identify the most complex substance first. - Start by balancing elements that appear only once on each side of the equation. - Balance polyatomic ions as a whole when they appear unchanged on both sides. - Leave hydrogen and oxygen to balance last if they are in multiple compounds. By following these steps and filling in the appropriate coefficients, you can balance the given chemical reactions efficiently.
**Oxidation Numbers in Chemical Compounds**

The following table lists chemical compounds and the number of each type of atom within these compounds. Use this table to add up the oxidation numbers of the respective atoms:

| Compound | Atoms   |               |
|----------|---------|               |
| SO₂      | S: 1    |               |
|          | O: 2    |               |
| CO₃²⁻    | C: 1    |               |
|          | O: 3    |               |
| CoF₂     | Co: 1   |               |
|          | F: 2    |               |

For educational purposes:
1. **SO₂ (Sulfur Dioxide)**
   - Atoms: Sulfur (S), Oxygen (O)
   - Quantity: 1 Sulfur atom, 2 Oxygen atoms
  
2. **CO₃²⁻ (Carbonate Ion)**
   - Atoms: Carbon (C), Oxygen (O)
   - Quantity: 1 Carbon atom, 3 Oxygen atoms

3. **CoF₂ (Cobalt(II) Fluoride)**
   - Atoms: Cobalt (Co), Fluorine (F)
   - Quantity: 1 Cobalt atom, 2 Fluorine atoms
Transcribed Image Text:**Oxidation Numbers in Chemical Compounds** The following table lists chemical compounds and the number of each type of atom within these compounds. Use this table to add up the oxidation numbers of the respective atoms: | Compound | Atoms | | |----------|---------| | | SO₂ | S: 1 | | | | O: 2 | | | CO₃²⁻ | C: 1 | | | | O: 3 | | | CoF₂ | Co: 1 | | | | F: 2 | | For educational purposes: 1. **SO₂ (Sulfur Dioxide)** - Atoms: Sulfur (S), Oxygen (O) - Quantity: 1 Sulfur atom, 2 Oxygen atoms 2. **CO₃²⁻ (Carbonate Ion)** - Atoms: Carbon (C), Oxygen (O) - Quantity: 1 Carbon atom, 3 Oxygen atoms 3. **CoF₂ (Cobalt(II) Fluoride)** - Atoms: Cobalt (Co), Fluorine (F) - Quantity: 1 Cobalt atom, 2 Fluorine atoms
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