Write the reaction equation: S- SO2- SO3- H2SO4- SO2- Na2SO3- NaNO3 -O2- P2O5

1) S + O2 = SO2 (when sulfur interacts with oxygen, sulfur (IV) oxide is formed);

2) SO2 + O2 = SO3 (when sulfur (IV) oxide interacts with oxygen, sulfur oxide (VI) is formed);

3) SO3 + H2O = H2SO4 (when sulfur (VI) oxide and water react, sulfuric acid is formed);

4) H2SO4 + Na2SO3 = Na2SO4 + SO2 + H2O (when sulfuric acid interacts with sodium sulfite, sodium sulfate, sulfur (IV) oxide and water are formed);

5) SO2 + NaOH = Na2SO3 + H2O (when sulfur (IV) oxide and sodium hydroxide react, sodium sulfite and water are formed);

6) Na2SO3 + 2AgNO3 = 2NaNO3 + Ag2SO3 (when silver nitrate and sodium sulfite react, sodium nitrate and silver sulfite are formed);

7) 2NaNO3 = 2NaNO2 + O2 (when heated, sodium nitrate decomposes into sodium nitrite and oxygen);

8) 5O2 + 4P = 2P2O5 (when oxygen interacts with phosphorus, phosphorus (V) oxide is formed).



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