Помогите с балансом и степенями окисления 4Al + 3O2 = 2Al2O3 Al2O3 + 3H2 = 2Al + 3H2O 2Al+3Cl2 = 2AlCl3 AlCl3 + 3NaOH = Al(OH)3 + 3NaCl 2Al(OH)3 =t= больше Al2O3 + 3H2O 2Al(OH)3 + 3H2SO4 = Al2(SO4)3 + 6H2O Al2(SO4)3 + 3Ba(NO3)...

4Al + 3O2 = 2Al2O3 Al⁰ - 3e = Al³⁺ x4 O2 - 4e = 2O²⁻ x3 Al2O3 + 3H2 = 2Al + 3H2O Al³⁺ + 3e = Al⁰ x2 H2 - 2e = 2H⁺ x3 2Al+3Cl2 = 2AlCl3 Al⁰ - 3e = Al³⁺ x2 Cl2⁰ + 2e = 2Cl⁻ x3 AlCl3 + 3NaOH = Al(OH)3 + 3Na⁺Cl⁻ Al³⁺ + 3OH⁻ = Al(OH)3 2Al⁺³(OH)3 =t=> Al2⁺³O3 + 3H2⁺O⁻² 2Fe(OH)3 =t=> Fe2⁺³O3⁻²+3H2O (всё так и остаётся) 2Al(OH)3 + 3H2SO4 = Al2⁺³(S⁺⁶O4)3 + 6H2⁺O⁻² Al(OH)3 + 3H⁺ = Al³⁺ + 3H2O Al2(SO4)3 + 3Ba(NO3)2 = 2Al(N⁺⁵O3)3 + 3Ba⁺²S⁺⁶O4↓ Ba²⁺ + SO4²⁻ = BaSO4↓ S + O2 = SO2 S⁰ - 4e = S⁺⁴ O2 + 4e = 2O²⁻ 2Al+3S = Al2S3 Al⁰ - 3e = Al³⁺ x2 S⁰ + 2e = S²⁻ x3 2Al2S3 + 9O2 = 2Al2O3 + 6SO2 S⁻² - 6e = S⁺⁴ x2 O2 + 4e = 2O²⁻ x3 SO2 + 2KOH = K2⁺S⁺⁴O3⁻² + H2O SO2 + 2OH⁻ = SO3²⁻ + H2O K2SO3 + 2HCl = 2K⁺Cl⁻ + H2O + S⁺⁴O2↑ SO3²⁻ + 2H⁺ = H2O + SO2 SO3 + 2NaOH = Na2⁺S⁺⁶O4⁻² + H2O SO3 + 2OH⁻ = SO4²⁻ + H2O SO3 + H2O = H2⁺S⁺⁶O4⁻² SO3 + H2O = 2H⁺ + SO4²⁻ 3H2SO4 + 2Fe(OH)3 = Fe2⁺³(S⁺⁶O4⁻²)3 + 6H2O 3H⁺ + Fe(OH)3 = Fe³⁺ + 3H2O Fe2(SO4)3 + 6NaOH = 2Fe⁺³(OH)3 + 3Na2S⁺⁶O4 Fe³⁺ + 3OH⁻ = Fe(OH)3 2SO2+O2 = 2SO3 S⁺⁴ - 2e = S⁺⁶ x2 O2 + 4e = 2O⁻² Fe2O3 + 3C = 2Fe + 3CO Fe³⁺ + 3e = Fe⁰ x2 C⁰ - 2e = C²⁺ x3