<span>You forgot to add in the arrow to the balanced equation, so I did it for you. 2C2H6 7O2 ---> 4CO2 6H2O
If you oxidize 6 liters of C2H6, you will get 12 liters of CO2. This is, because, in this reaction, the ration of puttin in C2H6 to the output of 4CO2 is 1 to 2.
