can someone help me pls ,,


Balance the following equations

1. N2O5 -> N2O4 + O2

2. KNO3 -> KNO2 + O2

3. NH4NO2 -> N2 + H2O

4. O3 -> O2

5. Zn + AgCl -> ZnCl2 + Ag

6. NaOH + H2SO4 -> NA2SO4 + H2O