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Exam Review Notes

Page 10, Number 11: Balancing Chemical Equations

  • Balancing: Balance C, H, then O.

Page 10, Number 14

  • Combustion reaction.

Page 10, Number 15: Copper Coil in Silver Nitrate Solution

  • Reaction: Copper (Cu) + Silver Nitrate -> Silver (Ag) + Copper(I) Nitrate

Types of Chemical Reactions
1. Synthesis

  • Definition: Two or more reactants combine to form one product.

2. Decomposition

  • Definition: A compound breaks down into two or more products.

  • General form: AB \rightarrow A + B

3. Combustion

  • Definition: Burning a substance in oxygen.

  • Reactants: Hydrocarbon + Oxygen.

  • Products: Carbon Dioxide + Water.

4. Single Replacement

  • Definition: One element replaces a similar element in a compound.

  • General form: A + BC \rightarrow B + AC

5. Double Replacement

  • Definition: Two compounds exchange ions.

Identifying Reaction Types (Page 9 Examples Revisited)

  • Number 3: Single replacement.

  • Number 4: Double replacement.

  • Number 5: Single replacement.

  • Numbers 6, 7, and 8: Synthesis.

  • Numbers 9, 10, and 11: Double replacement.

  • Numbers 12 and 13: Synthesis.

  • Number 14: Double replacement.

  • Numbers 15, 16, and 17: Synthesis.

  • Number 18: Single replacement.

  • Number