Bellwork Thursday Balance the following equations. ___Zn + ___HCl  ___ZnCl2 + ___H2  __Al2(SO4)3 + __Ca(OH)2  __Al(OH)3 + __CaSO4   __K + __H2O  __KOH + __H2   __CH4 + __O2  __CO2 + __H2O

11.2 Types of Chemical Reactions

Part 2 Synthesis and Decomposition Reactions

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.

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

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

Examples ____H2CO3  ____H2O + ____CO2 _____KCl  _____HCl  2

Friday Bellwork Predict the products of the following reactions and balance the equation. Ca + N2  Cl2 + Fe (iron III)  MgO + CO2  Mg3N2  Li3N  H2CO3 