Answer:
2C2H6+7/2O2=2CO2+3H2O
Step-by-step explanation:
2-c-1 -2
6-H-2-6
7/2*2 =7 2-O-2+1=3-4+1=5-7
sorry, if you don't understand the explanation part. It would be much easier if you could see somebody explaining it and writing it out.
they have videos online to explaining it