1. TYPES OF CHEMICAL REACTIONS

2. Types of Chemical Reactions 1. Synthesis Reactions: A chemical reaction in which two or more elements or compounds combine to form a single larger compound November 22, 20162 A + BAB magnesium +oxygenmagnesium oxide Mg + O2O2 MgO 2 2 +

3. Types of Chemical Reactions 1. Synthesis Reactions: November 22, 20163 A + B AB +

4. Types of Chemical Reactions 2. Decomposition Reactions: A chemical reaction in which a compound is broken down into elements or smaller compounds November 22, 20164 A + B AB sodium+iodine sodium iodide 22 Na + I2I2 NaI +

5. Types of Chemical Reactions 2. Decomposition Reactions: November 22, 20165 A + B AB +

6. Types of Chemical Reactions 3. Single Displacement Reactions: A chemical reaction in which one element displaces another element in a compound November 22, 20166 AB + CCB calcium chloride +sodium chloride CaCl 2 +NaNaCl A + calcium+ + Ca 22 + +

7. Types of Chemical Reactions 3. Single Displacement Reactions: A chemical reaction in which one element displaces another element in a compound November 22, 20167 AB + CCB bromine + calcium iodide calcium bromide Br 2 + CaI 2 CaBr 2 A + iodine+ + I2I2 + +

8. Types of Chemical Reactions 3. Single Displacement Reactions: Note: If the element is a metal  it displaces the metal in the compound If the element is a non-metal  it displaces the non-metal in the compound November 22, 20168 AB + CCB A + + +

9. Types of Chemical Reactions 4. Double Displacement Reactions: A chemical reaction that occurs when elements in different compounds exchange places to form two new compounds November 22, 20169 AB + CD CB lead(II) nitrate + potassium iodide potassium nitrate Pb(NO 3 ) 2 +KI KNO 3 AD + lead(II) iodide + + PbI 2 + + 2 2

10. Types of Chemical Reactions 4. Double Displacement Reactions: November 22, 201610 AB + CD CB AD + + +

11. Types of Chemical Reactions Examples: 2 H 2 + O 2 2 H 2 O 2 KI + Cl 2 2 KCl + I 2 2 NaI + Pb(NO 3 ) 2 2 NaNO 3 + PbI 2 6 NaHCO 3 3 Na 2 CO 3 + 3 H 2 O + 3 CO 2 2 AgNO 3 + Cu Cu(NO 3 ) 2 + 2 Ag H 2 O + SO 3 H 2 SO 4 2 KClO 3 2 KCl + 3 O 2 BaCl 2 + Na 2 SO 4 2 NaCl (aq) + BaSO 4 November 22, 201611 synthesis single displacement double displacement decomposition single displacement synthesis decomposition double displacement

12. Types of Chemical Reactions 5. Combustion Reactions: rapid reaction of a hydrocarbon (organic compound composed of only C & H) with oxygen Note: Hydrocarbons make excellent fuels, contain high energy covalent bonds this energy (heat & light) is released when the bonds are broken during combustion November 22, 201612

13. Types of Chemical Reactions Example: (complete combustion) November 22, 201613 hydrocarbon + O2O2 CO 2 methane+oxygen carbon dioxide CH 4 +O2O2 heat H2OH2O + water + CO 2 H2OH2O + 22 always the products of complete combustion

14. Types of Chemical Reactions Example: (incomplete combustion) Incomplete Combustion: not enough oxygen is available to completely burn the hydrocarbon four products are always produced (CO 2, CO, C, H 2 O) carbon (black soot) produced (i.e. fireplaces, tail pipes etc.) November 22, 201614 hydrocarbon + O2O2 CO 2 butane+oxygen C 4 H 10 +O2O2 heat H2OH2O + 5 CO + C + CO 2 H2OH2O + CO + C + CO 2 H2OH2O + CO + C + 25

15. Homework Page 214 # 10, 13 Complete ‘Types of Chemical Reactions Worksheet’ November 22, 201615