Balance the following chemical equation.
Na + O2 → Na2O
Ca + N2 → Ca3N2
N2 + H2 →NH3 CaCO3 +HCl → CaCl2 + CO2 +H2O
How Many number of oxygen present in following equation?and also balance the following equation.
C5H11NH2+O2 gives CO2+H2O+NO2