Odpowiedź :
METAN
CH4+2O2--->CO2+2H2O
2CH4+3O2--->2CO+4H2O
CH4+O2--->C+2H2O
ETAN
2C2H6+7O2--->4CO2+6H2O
2C2H6+5O2--->4CO+6H2O
2C2H6+3O2--->4C+6H2O
METAN
CH4+2O2--->CO2+2H2O
2CH4+3O2--->2CO+4H2O
CH4+O2--->C+2H2O
ETAN
2C2H6+7O2--->4CO2+6H2O
2C2H6+5O2--->4CO+6H2O
2C2H6+3O2--->4C+6H2O