1. double replacement
2NaBr + Ca(OH)2 = CaBr2 + 2NaOH
2. synthesis
2NH3 + H2(SO4) = (NH4)2 (SO4)
3. combustion
4C5H9O + 27O2 = 20CO2 + 18 H2O
4. single replacement
3Pb + 2H3(PO4) = 3H2 + Pb3(PO4)2
5. double replacement
Li3N + 3NH4NO3 = 3 LiNO3 + (NH4)3N