Hello there,
The coefficient that will balance the following reaction would be...
2H2 + O2 goes to 2H2O
Hope I Helped!
-Char
there are 2ea. O in O2 so a1=1
only 1ea. O in H2O so a2=2
if a2=2, then there are 4ea. H so 2ea. H2 so a0=2
2H2 + 1O2 -> 2H2O
