Chemical Reactions

Predicting Products of Different
      Types of Reactions
Classifying Reactions
•   Synthesis Reactions (combination)
•   Decomposition Reactions
•   Single-Replacement Reactions
•   Double-Replacement Reactions
•   Combustion Reactions
•   Neutralization Reactions
Synthesis Reactions
• Also called combination reactions
• Two or more substances react to form a single
  new substance
• Only 1 product in the reaction
• A + B AB
• 2 elements react to produce a binary
  compound
  – 2Na + Cl2 2NaCl
  – 2Mg + O2 2MgO
  – S + O2 SO2
• Metal oxide + water      metal hydroxide
  – CaO + H2O    Ca(OH)2
• Nonmetal oxide + water      oxyacid
  – SO3 + H2O    H2SO4
1. Ca + F2
2. N2O5 + H2O
3. MgO + H2O
4. Al + O2
5. SO3 + H2O
6. K + O2
7. Li + N2
8. ZnO + H2O
9. P2O5 + H2O
10. K2O + H2O
Decomposition Reactions
• A single compound breaks down into two or
  more simpler products
• AB A + B
• Only 1 reactant
• Metal chlorates     metal chlorides + oxygen
  – 2NaClO3     2NaCl + 3O2
• Metal hydroxides        metal oxides + water
  – Mg(OH)2     MgO + H2O
• Metal carbonates        metal oxides + carbon
  dioxide
  – CaCO3     CaO + CO2
• Oxyacids     nonmetalic oxides + water
  – H2SO3     SO2 + H2O
• Binary compounds         individual elements
  – 2NaCl     2Na + Cl2
1.    CaCO3
2.    AlCl3
3.    H2CO3
4.    KClO3
5.    KOH
6.    MgCO3
7.    Al(ClO3)3
8.    Ag2O
9.    Fe(OH)2
10.   Al2(CO3)3

Synthesis and Decomposition Reactions

  • 1.
    Chemical Reactions Predicting Productsof Different Types of Reactions
  • 2.
    Classifying Reactions • Synthesis Reactions (combination) • Decomposition Reactions • Single-Replacement Reactions • Double-Replacement Reactions • Combustion Reactions • Neutralization Reactions
  • 3.
    Synthesis Reactions • Alsocalled combination reactions • Two or more substances react to form a single new substance • Only 1 product in the reaction • A + B AB
  • 4.
    • 2 elementsreact to produce a binary compound – 2Na + Cl2 2NaCl – 2Mg + O2 2MgO – S + O2 SO2 • Metal oxide + water metal hydroxide – CaO + H2O Ca(OH)2 • Nonmetal oxide + water oxyacid – SO3 + H2O H2SO4
  • 5.
    1. Ca +F2 2. N2O5 + H2O 3. MgO + H2O 4. Al + O2 5. SO3 + H2O 6. K + O2 7. Li + N2 8. ZnO + H2O 9. P2O5 + H2O 10. K2O + H2O
  • 6.
    Decomposition Reactions • Asingle compound breaks down into two or more simpler products • AB A + B • Only 1 reactant
  • 7.
    • Metal chlorates metal chlorides + oxygen – 2NaClO3 2NaCl + 3O2 • Metal hydroxides metal oxides + water – Mg(OH)2 MgO + H2O • Metal carbonates metal oxides + carbon dioxide – CaCO3 CaO + CO2 • Oxyacids nonmetalic oxides + water – H2SO3 SO2 + H2O • Binary compounds individual elements – 2NaCl 2Na + Cl2
  • 8.
    1. CaCO3 2. AlCl3 3. H2CO3 4. KClO3 5. KOH 6. MgCO3 7. Al(ClO3)3 8. Ag2O 9. Fe(OH)2 10. Al2(CO3)3