Synthesis Reactions

•ONE PRODUCT

•2 elements one compound

•Or…2 compounds one compound

•CaO + H2O Ca(OH)2

•SO3 + H2O H2SO4

Decompositions

• One reactant

• One compound 2 elements

• Or…one compound 2 compounds

• CaCO3 CaO + CO2

Combustion

• Complete combustion

• ___ + O2 CO2 + H2O

• Incomplete combustion

• ___+ O2 CO + H2O

• Combustion of hydrogen

• 2H2 + 2O2 2H2O

Single Replacement• 1 element + 1 ionic compound

• Metal + Ionic compound…use activity series chart… 2Na + MgCl2 2NaCl + Mg

Halogen Single Replacement

• One element and one ionic compound.

• Same as metal SR but 2 halogens

• F2 + NaCl NaF + Cl2• Use the halogen group for an activity series.

Double Replacement

• 2 ionic compounds or 1 ionic cmpd + HOH

• Draw a line after the first element in each and swap…RE-CRISS CROSS THE PRODUCT!