Question

Химия 1) H2CO3 + CaO = 2) Fe2O3 + H2SO4 = 3) CaO + CO2 = 4) NaOH + ZnO = 5) Na2O + H2SO3 = 6) Pb(OH)2+ HNO3= 7) Fe + H2SO4= 8) Cl2 + Ba= 9) Al(OH)3 + HCl = 10) Ba(OH)2 + P2O5 =

Answer 1

H2CO3 + CaO = CaCO3+H2O
Fe2O3+3H2SO4= Fe2(SO4)3+3H2O
CaCo3

Answer 2

...............................

Answer 3

To balance the chemical equations you provided, I'll write the balanced equations below:

1. H2CO3 + CaO = Ca(HCO3)2
2. Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O
3. CaO + CO2 = CaCO3
4. NaOH + ZnO = Na2ZnO2 + H2O
5. Na2O + H2SO3 = Na2SO3 + H2O
6. Pb(OH)2 + HNO3 = Pb(NO3)2 + 2H2O
7. Fe + H2SO4 = FeSO4 + H2
8. Cl2 + Ba = BaCl2
9. Al(OH)3 + HCl = AlCl3 + 3H2O
10. Ba(OH)2 + P2O5 = Ba3(PO4)2 + H2O

Please note that balancing chemical equations involves ensuring the same number of atoms of each element on both sides of the equation.