Question

"Which coefficients balance this equation? _CH4 + _O2 -> _CO2 + _H2O"

Answer 1

List out the number of elements on each side.

Answer 2

You'll see that there are 4H vs 2H and 2O vs 3O, right? So start by balancing the Hs.

Answer 3

that's ok, a friend is helping me out! thank though :)

Answer 4

Remember to close a question if you're done with it. :)

Answer 5

oh, right :)