Question

please balance these equations​

Answer 1

balance chemical equations are :

a) 2 Al +3 H2SO4 -------- Al2(So4)3+3 H2

b) Fe2O3+3 H2--------- 2 Fe+ 3 H2O

c)2Pb3O4 --------- 3PbO+O2

d) 4Al + 3O2---------2Al2O3

e) 2NO + O2 -------- 2NO2