Write the reaction equations: CO2 – Na2CO3 – NaHCO3 – CO2 – CaCO3
To carry out the above chain of transformations, it is necessary to carry out the following reactions:
Chemical reaction and equation The reaction produces carbon monoxide. The reaction proceeds as a compound.
CO2 + C = 2 CO
Carbon monoxide react with oxygen. The reaction produces carbon dioxide. Redox reaction.
2 CO + O2 = 2 CO2
Chemical reaction and equation As a result of the reaction, sodium carbonate is formed and water is released.
CO2 + 2 NaOH = Na2CO3 + H2O
Sodium carbonate react with carbonic acid. As a result of the reaction, sodium bicarbonate is formed. The reaction proceeds as a compound.
H2CO3 + Na2CO3 = 2 NaHCO3
The decomposition of sodium bicarbonate. The reaction produces sodium carbonate, carbon dioxide and water.
2 NaHCO3 = Na2CO3 + CO2 + H2O
The decomposition of sodium carbonate to sodium oxide and carbon dioxide.
Na2CO3 = Na2O + CO2.