Question

Ca-CaO-Ca(OH)2-CaCl2-Ca(OH)2-CaO-CaCO3-CO2

Answer 1

2Ca + O2 = 2CaO выше 300° C

2H2O + Ca = Ca(OH)2 + H2 ↑

CaO + H2O = Ca(OH)2

Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O

2 CaCl2 + 2 CO + 3 O2 = 2 CaCO3 + 2 Cl2O

CaO + N2O5 = Ca(NO3)2

Ca(NO3)2 + HCO3 = CaCO3 + HNO3