Em tham khảo nha:
\(\begin{array}{l}
1)\,2Cu + {O_2} \xrightarrow{t^0} 2CuO\\
2)\,4K + {O_2} \xrightarrow{t^0} 2{K_2}O\\
3)\,4Al + 3{O_2} \xrightarrow{t^0} 2A{l_2}{O_3}\\
4)\,3Fe + 2{O_2} \xrightarrow{t^0} F{e_3}{O_4}\\
5)\,2Na + {H_2}S{O_4} \to N{a_2}S{O_4} + {H_2}\\
6)\,Mg + 2HCl \to MgC{l_2} + {H_2}\\
7)\,2Al + 3{H_2}S{O_4} \to A{l_2}{(S{O_4})_3} + 3{H_2}\\
8)\,2Al + 6HCl \to 2AlC{l_3} + 3{H_2}\\
9)\,F{e_2}{O_3} + 3{H_2}S{O_4} \to F{e_2}{(S{O_4})_3} + 3{H_2}O\\
10)\,ZnO + 2HCl \to ZnC{l_2} + {H_2}O\\
11)2Fe{(OH)_3} + 3{H_2}S{O_4} \to F{e_2}{(S{O_4})_3} + 6{H_2}O\\
12)\,4P + 5{O_2} \xrightarrow{t^0} 2{P_2}{O_5}\\
13)\,Al{(OH)_3} + 3HCl \to AlC{l_3} + 3{H_2}O\\
14)\,A{l_2}{O_3} + 2NaOH \to 2NaAl{O_2} + {H_2}O1\\
15)\,F{e_3}{O_4} + 4{H_2} \xrightarrow{t^0} 3Fe + 4{H_2}O\\
16)\,2Na + 2{H_2}O \to 2NaOH + {H_2}\\
17)\,Ba + 2{H_2}O \to Ba{(OH)_2} + {H_2}\\
18)\,Fe + 2HCl \to FeC{l_2} + {H_2}\\
19)\,2Mg + {O_2} \xrightarrow{t^0} 2MgO\\
20)3Fe + 2{O_2} \xrightarrow{t^0} F{e_3}{O_4}\\
21)\,2xFe + y{O_2} \xrightarrow{t^0} 2F{e_x}{O_y}\\
22)\,F{e_x}{O_y} + 2yHCl \to FeC{l_{\frac{{2y}}{x}}} + y{H_2}O\\
23)\,4P + 5{O_2} \xrightarrow{t^0} 2{P_2}{O_5}\\
24)\,4Al + 3{O_2} \xrightarrow{t^0} 2A{l_2}{O_3}\\
25)\,F{e_x}{O_y} + y{H_2}S{O_4} \to F{e_x}{(S{O_4})_y} + y{H_2}O\\
\end{array}\)
