Br2O7 + H2O = HBrO4 (2)Mg + O2 = MgO (2)Na2S + Pb(NO3)2 = PbS + 2NaNO3NH4Cl = NH3 + HCl (2)SO2 + H2O = H2SO3 (2)AgBr = Ag + Br2 (2)
Br2O7 + H2O = HBrO4 (2)
Mg + O2 = MgO (2)
Na2S + Pb(NO3)2 = PbS + 2NaNO3
NH4Cl = NH3 + HCl (2)
SO2 + H2O = H2SO3 (2)
AgBr = Ag + Br2 (2)