Write the equations of chemical reactions: a) Ba → BaO → Ba (OH) 2 → Ba (NO3) 2 b) C → CO2 → H2CO3 → CaCO3
| June 20, 2021 | education
Transformations.
a) 2Ва + О2 = 2Ва.
Combustion of metallic barium, 500 ° C.
BaO + H2O = Ba (OH) 2.
Hydroxide formation.
Ba (OH) 2 + 2HNO3 = Ba (NO3) 2 + 2H2O.
Reaction with nitric acid.
b). C + O2 = CO2.
Combustion of coke.
CO2 + H2O = H2CO3.
Dissolution of carbon monoxide in water to form carbonic acid.
H2CO3 + CaO = CaCO3 + H2O.
Formation of calcium carbonate.
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