C-co2caco3-cao-ca(oh)2-ca(hco3)2, напишите превращение, 50

С + O2 = CO2
CO2 + CaO = CaCO3   Ca(OH)2 + CO2 = CaCO3 + H2O
CaCO3 =t=> CaO + CO2
CaO + H2O = Ca(OH)2
Ca(OH)2 + 2CO2 = Ca(HCO3)2

C + O₂ = CO₂

CaO + CO₂ (20°C)= CaCO₃

CaCO₃ (1000°C)= CaO + CO₂

CaO + H₂O = Ca(OH)₂

Ca(OH)₂ + CO₂ = CaCO₃↓ + H₂O
CaCO₃ + CO₂ + H₂O = Ca(HCO₃)₂