(a) 2FeSO4 →Heat Fe2O3 + SO2 +SO3(b) 2Pb(NO3)2 (s) →Heat 2PbO (s) + 4NO2 (g) + O2 (g)
Balance the following chemical equations :
(a) FeSO4 Heat⟶ Fe2O3+SO2 + SO3
(b) Pb(NO3)2 (s) Heat⟶ PbO(s)+NO2(g)+O2(g)