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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Transcribed Image Text:### Balancing Chemical Equations
#### Instructions
Balance the following equations **AND** write in words what each equation means.
1. **CH₄ + O₂ → CO₂ + H₂O**
- Methane (CH₄) reacts with oxygen (O₂) to produce carbon dioxide (CO₂) and water (H₂O).
2. **Na + Cl₂ → NaCl**
- Sodium (Na) reacts with chlorine (Cl₂) to form sodium chloride (NaCl).
3. **Al + O₂ → Al₂O₃**
- Aluminum (Al) reacts with oxygen (O₂) to form aluminum oxide (Al₂O₃).
4. **N₂ + H₂ → NH₃**
- Nitrogen gas (N₂) reacts with hydrogen gas (H₂) to form ammonia (NH₃).
5. **CO + H₂ → C₈H₁₈ + H₂O**
- Carbon monoxide (CO) reacts with hydrogen (H₂) to produce octane (C₈H₁₈) and water (H₂O).
6. **Fe₂O₃ + CO → Fe + CO₂**
- Iron(III) oxide (Fe₂O₃) reacts with carbon monoxide (CO) to produce iron (Fe) and carbon dioxide (CO₂).
7. **H₂SO₄ + Pb(OH)₄ → Pb(SO₄)₂ + H₂O**
- Sulfuric acid (H₂SO₄) reacts with lead(IV) hydroxide (Pb(OH)₄) to produce lead(IV) sulfate (Pb(SO₄)₂) and water (H₂O).
8. **Al + HCl → AlCl₃ + H₂**
- Aluminum (Al) reacts with hydrochloric acid (HCl) to form aluminum chloride (AlCl₃) and hydrogen gas (H₂).
9. **Ca₃(PO₄)₂ + H₂SO₄ → CaSO₄ + Ca(H₂PO₄)₂**
- Calcium phosphate (Ca₃(PO₄)₂) reacts with sulfuric acid (H₂SO₄) to produce calcium sulfate (CaSO₄) and calcium dihydrogen phosphate (Ca(H₂PO₄)₂
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