2Fe + 3Cl₂ → 2FeCl₃
FeCl₃ + 3NaOH → Fe(OH)₃ + 3NaCl
2Fe(OH)₃ → Fe₂O₃ + 3H₂O
Fe₂O₃ + 3Zn → 2Fe + 3ZnO
Fe + CuCl₂ → FeCl₂ + Cu
FeCl₂ + 2KOH → Fe(OH)₂ + 2KCl
Fe(OH)₂ → FeO + H₂O
FeO + H₂ → Fe + H₂O
nN2:nH2:nNH3=1:3:2
V(H2)=4,48*3=13,44л
V(NH3)=4,48*2=8,96л
1) HCHO+Ag2O(аммиачн. р-р)------->HCOOH+2Ag
2) С2H5OH+CH3COOH ----(к.H2SO4,t)----->CH3COOC2H5+H2O
3)CH3-CHBr-CH3+NaOH(спирт.)-------->CH2=CH-CH3+NaBr+H2O