Answers by visitors named: lien

1) ch4 + 2O2 =) co2 + 2h2o 2) don't know how 3) Mg + H2SO4 =) Mgso4 +h2 4) 2C2H6 + 7O2 =)4CO2 +6H20 5)PB(NO3)2 + 2NAI =)PBI2 +2NANO3 6) 3Fe + 2O2 =)FePr