How to balance chemical equation
C4H10+02==C02+H2O
K + H2O -> KOH + H2 . How to balance this equation without hit and trial method.
Some of the equations given below are not balanced. Can you identify them? Mg+O2=MgO. ,N2+3H2=2NH3,H2O2=H2O+O2. I don't know how to balance an equation?