Question

?CH4 → ?C6H6 + ?H2

?C2H6 + ?O2 → ?CO2 + ?H2O

I need to know the number that goes in front of the equations

Answer 1

6CH4->1C6H6 + 9H2

2C2H6 + 702-> 4CO2 + 6H2O

Answer 2

You basically want to balance these equations.

(6)CH4 → (1)C6H6 + (9)H2

(2)C2H6 + (7)O2 → (4)CO2 + (6)H2O

NOTE: DO NOT PUT BRACKETS IN YOUR ANSWER, I HAVE PUT HERE FOR THE ANSWERS INSTEAD OF QUESTION MARKS.