1)2Ba + O2 -> 2BaOBaO + H2O -> Ba(OH)2Ba(OH)2 + 2HCl -> BaCl2 + 2H2O
2)4Li + O2 -> 2Li2OLi2O + H2O -> 2LiOH2LiOH + ZnO -> Li2ZnO2 + H2O
1)
2Ba + O2 -> 2BaO
BaO + H2O -> Ba(OH)2
Ba(OH)2 + 2HCl -> BaCl2 + 2H2O
2)
4Li + O2 -> 2Li2O
Li2O + H2O -> 2LiOH
2LiOH + ZnO -> Li2ZnO2 + H2O