Write down the reaction equations: 1) C – CO -; CO2 2) Ba -; BaO – Ba (OH) 2 3) S – SO2 – SO3 – H2SO4

1) C –> CO –> CO2
2 C+O2=2 CO
2 CO+O2=2 CO2

2) Ba –> BaO –> Ba(OH)2
2 Ba+O2=2 BaO
BaO+H2O=Ba(OH)2

3) S –> SO2 –> SO3 –> H2SO4
S+O2=SO2
2 SO2+O2=2 SO3
SO3+H2O=H2SO4



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