Br2O7 + H2O = HBrO4 (2Mg + O2 = MgO (2Na2S + Pb(NO3)2 = PbS + 2NaNONH4Cl = NH3 + HCl (2SO2 + H2O = H2SO3 (2AgBr = Ag + Br2 (2)
Br2O7 + H2O = HBrO4 (2
Mg + O2 = MgO (2
Na2S + Pb(NO3)2 = PbS + 2NaNO
NH4Cl = NH3 + HCl (2
SO2 + H2O = H2SO3 (2
AgBr = Ag + Br2 (2)