\(1,2Ca+O_2\rightarrow^{t^o}2CaO\\ 2:1:2\\ 2,2Fe+3Cl_2\rightarrow^{t^o}2FeCl_3\\ 2:3:2\\ 3,Mg+2HCl\rightarrow MgCl_2+H_2\\ 1:2:1:1\\ 4,2Al+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2\\ 2:3:1:3\\ 5,Na_2O+2HCl\rightarrow2NaCl+H_2O\\ 1:2:2:1\\ 6,Fe\left(OH\right)_3+3HCl\rightarrow FeCl_3+3H_2O\\ 1:3:1:3\\ 7,2NaOH+CO_2\rightarrow Na_2CO_3+H_2O\\ 2:1:1:1\\ 8,2KOH+Zn\left(NO_3\right)_2\rightarrow2KNO_3+Zn\left(OH\right)_2\\ 2:1:2:1\\ 9,Al_2\left(SO_4\right)_3+3BaCl_2\rightarrow3BaSO_4\downarrow+2AlCl_3\\ 1:3:3:2\\ 10,2KClO_3\rightarrow^{t^o}2KCl+3O_2\\ 2:2:3\)
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