Balance the following equations
a)Pb(NO3)2 gives PbO +NO2+O2
b)NH3+CuO gives Cu+N2+H2O
c)NaOH+H2SO4 gives Na2SO4 +H2O
d)Al4C3+H2O gives CH4+Al(OH)3
How Many number of oxygen present in following equation?and also balance the following equation.
C5H11NH2+O2 gives CO2+H2O+NO2