Question

(Химия 8 класс,Тема:осуществление цепочек превращения,составление ионных уравнений) 1)BaO -> Ba(OH)2 -> BaC12 -> BaSO4 2)Li -> LiOH -> LiSO4 -> Li3PO4 3)Fe -> FeO -> FeSO4 -> Fe(OH)2 Fe(NO3)2

Answer 1

Formation of Ba(OH)2 from BaO

The reaction equation for the formation of Ba(OH)2 from BaO can be represented as follows: BaO + H2O → Ba(OH)2

Formation of BaCl2 from Ba(OH)2

The reaction equation for the formation of BaCl2 from Ba(OH)2 can be represented as follows: Ba(OH)2 + 2HCl → BaCl2 + 2H2O

Formation of BaSO4 from BaCl2

The reaction equation for the formation of BaSO4 from BaCl2 can be represented as follows: BaCl2 + H2SO4 → BaSO4 + 2HCl

Formation of LiOH from Li

The reaction equation for the formation of LiOH from Li can be represented as follows: 2Li + 2H2O → 2LiOH + H2

Formation of LiSO4 from LiOH

The reaction equation for the formation of LiSO4 from LiOH can be represented as follows: LiOH + H2SO4 → LiSO4 + 2H2O

Formation of Li3PO4 from LiSO4

The reaction equation for the formation of Li3PO4 from LiSO4 can be represented as follows: 3Li2SO4 + 2H3PO4 → Li3PO4 + 3H2SO4

Formation of FeO from Fe

The reaction equation for the formation of FeO from Fe can be represented as follows: Fe + 0.5O2 → FeO

Formation of FeSO4 from FeO

The reaction equation for the formation of FeSO4 from FeO can be represented as follows: FeO + H2SO4 → FeSO4 + H2O

Formation of Fe(OH)2 from FeSO4

The reaction equation for the formation of Fe(OH)2 from FeSO4 can be represented as follows: FeSO4 + 2NaOH → Fe(OH)2 + Na2SO4

Formation of Fe(NO3)2 from Fe(OH)2

The reaction equation for the formation of Fe(NO3)2 from Fe(OH)2 can be represented as follows: Fe(OH)2 + 2HNO3 → Fe(NO3)2 + 2H2O

Please note that the above reactions are simplified representations and may not include all the necessary conditions or stoichiometric coefficients. It is always important to balance the equations and consider the reaction conditions when performing chemical transformations.