HCI + Cr -----------> CrCl3 + H2

AI + Fe3O4 -----------> AI2O3 + Fe

NH3 + O2 -----------> NO + H2O

C2H6S + O2 -----------> CO2 + H2O + SO2

B + SiO2 -----------> Si + B2O3

Na2SO4 + H2 -----------> Na2S + H2O

Would really like to know the answers to balance these equations. Thanks!

View the original article here