2Na + 2H2O = 2NaOH + H2
2NaOH + CO2 = Na2CO3 + H2O
2Ca + O2 = 2CaO
CaO + H2O = Ca(OH)2
Ca(OH)2 + Na2CO3 = CaCO3 + 2NaOH
Cu(OH)2 = CuO + H2O
CuO + 2HCl = CuCl2 + H2O
Объяснение:
2Na + 2H2O = 2NaOH + H2
2NaOH + CO2 = Na2CO3 + H2O
2Ca + O2 = 2CaO
CaO + H2O = Ca(OH)2
Ca(OH)2 + Na2CO3 = CaCO3 + 2NaOH
Cu(OH)2 = CuO + H2O
CuO + 2HCl = CuCl2 + H2O
Объяснение: