1. Bellwork Thursday Balance the following equations.
___Zn + ___HCl  ___ZnCl ___H2
 __Al2(SO4)3 + __Ca(OH)2  __Al(OH)3 + __CaSO4
  __K + __H2O  __KOH + __H2
  __CH4 + __O2  __CO __H2O

2. 11.2 Types of
Chemical
Reactions

3. Part 2 Synthesis and Decomposition Reactions

4. Synthesis reaction (combination reaction)-
the combination of two or more substances to form a compound
Elem. or cmpd. + elem. or cmpd  cmpd.
General form A + B  AB
The product in a reaction will have different properties from either of the reactants that formed it.

6. EXAMPLES: _____Na + _____Cl2  _____Fe + _____O2 
_____Al + _____Cl2 
_____H2O + _____CO2  2
____NaCl 2 4 2 3
____Fe2O3 2 2 3
____AlCl3 2
H2CO3

7. Decomposition Reaction:
is the breakdown of one substance into two or more other substances
compound  two or more elements
AB  A + B

8. Examples ____H2CO3  ____H2O + ____CO2 _____KCl  _____HCl  2

9. Friday Bellwork
Predict the products of the following reactions and balance the equation.
Ca N2 
Cl Fe (iron III) 
MgO CO2 
Mg3N2 
Li3N 
H2CO 