\(a.4Na+O_2-^{t^o}\rightarrow2Na_2O\left(4:1:2\right)\\ b.2KClO_3-^{t^o}\rightarrow2KCl+3O_2\left(2:2:3\right)\\ c.FeO+2HCl\rightarrow FeCl_2+H_2\left(1:2:1:1\right)\\ d.Fe_2O_3+3H_2SO_4\rightarrow Fe_2\left(SO_4\right)_2+3H_2O\left(1:3:1:3\right)\\ e.4P+5O_2-^{t^o}\rightarrow2P_2O_5\left(4:5:2\right)\)