The balanced Equations are : 1. 3Mg + N2 --> Mg3N2 2. 2H2O2 --> 2H2O + O2 3. 2C6H6 + 15 O2 --> 12 CO2 + 6 H2O 4. 2Al + 3H2SO4 --> Al2(SO4)3 + 3 H2 5. Al4C3 + 12 H2O --> 4Al(OH)3 + 3CH4 Solution The balanced Equations are : 1. 3Mg + N2 --> Mg3N2 2. 2H2O2 --> 2H2O + O2 3. 2C6H6 + 15 O2 --> 12 CO2 + 6 H2O 4. 2Al + 3H2SO4 --> Al2(SO4)3 + 3 H2 5. Al4C3 + 12 H2O --> 4Al(OH)3 + 3CH4.