2H2+O2→2H2O2 cap H sub 2 plus cap O sub 2 right arrow 2 cap H sub 2 cap O
Now, there are 4 Hydrogen atoms and 2 Oxygen atoms on both sides. The "account books" are closed, and the mass is conserved! 3 Steps to Balance Any Equation what is a balanced chemical equation
: The small numbers within a chemical formula (like the H2Ocap H sub 2 cap O 2H2+O2→2H2O2 cap H sub 2 plus cap O