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a) 2Al + 3Cl2 ---> 2AlCl3
b) Fe2O3 + 3H2 ---> 2Fe + 3H2O
c) 4P + 5O2 ---. 2P2O5
d) 2Al(OH)3 ---> Al2O3 + 3H2O
e) (NH4)2CO3 + 2NaOH ---> 2Na2CO3 + NH3 + 2H2O
f) Fe + HCl ---> FeCl2 + O2 (đề sai)
g) 2KClO3 ----> 2KCl + 3O2
h) 3NaOH + FeCl3 ----> Fe(OH)3 + 3NaCl
i) ZnO + 2HCl ----> ZnCl2 + H2O
k) 2K + 2H2O ----> 2KOH + H2
m) 2Na + 2H2O ----> 2NaOH + H2
n) BaCl2 + H2SO4 -----> BaSO4 + 2HCl
o) Na2O + H2O ---> 2NaOH
a) 2Al + 3Cl2 → 2AlCl3
b) 2Fe2O3 + 6H2 → 4Fe + 6H2O
c)4P +5O2 → 2P2O5
d) 2Al(OH)3 → Al2O3 + 3H2O
e) \(\left(NH_4\right)_2CO_3+2NaOH\rightarrow Na_2CO_3+2NH_3+2H_2O\)
f) Fe + 2HCl → FeCl2 + H2
g) 2KClO3 → 2KCl + 3O2
h) 3NaOH + FeCl3 → Fe(OH)3 + 3NaCl
i) ZnO + 2HCl → ZnCl2 + H2O
k) 2K + 2H2O → 2KOH + H2
m) 2Na + 2H2O → 2NaOH + H2
n) BaCl2 + H2SO4 → BaSO4 + 2HCl
o) Na2O + H2O → 2NaOH
\(a.2K+Cl_2\rightarrow2KCl\\ b.H_2+CuO\rightarrow Cu+H_2O\\ c.2Al+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2\\ d.Fe+2HCl\rightarrow FeCl_2+H_2\)
\(e.2Al+3Cl_2\rightarrow2AlCl_3\\ f.2KMnO_4\rightarrow K_2MnO_4+MnO_2+O_2\)
\(Cl_2+H_2\underrightarrow{as}2HCl\)
\(Na_2O+2HCl\rightarrow2NaCl+H_2O\)
\(2NaCl+2H_2O\underrightarrow{đpcmn}2NaOH+H_2+Cl_2\)
\(3NaOH+FeCl_3\rightarrow Fe\left(OH\right)_3\downarrow+3NaCl\)
\(2Fe\left(OH\right)_3\underrightarrow{t^o}Fe_2O_3+3H_2O\)
\(Fe_2O_3+3H_2\underrightarrow{t^o}2Fe+3H_2O\)
a, 2Al+3H2SO4\(\rightarrow\)Al2SO4+3H2
c. 2Fe+3Cl2\(\rightarrow\)2FeCl3
b. 2NaOH+ZnCl2\(\rightarrow\).Zn(OH)2+2NaCl
d. 3Fe+2O2\(\rightarrow\)Fe3O4
\(\cdot2Al+3H_2SO_4\xrightarrow[]{}Al_2\left(SO_4\right)_3+3H_2\)
\(\cdot2NaOH+ZnCl_2\xrightarrow[]{}Zn\left(OH\right)_2+2NaCl\)
\(\cdot2Fe+3CL_2\xrightarrow[]{}2FeCl_3\)
\(\cdot3Fe+2O_2\xrightarrow[]{}Fe_3O_4\)
a. \(2Na+Cl_2\rightarrow2NaCl\)
b. \(C_xH_yO_2+\left(\frac{x+y}{4-1}\right)O_2\rightarrow xCO_2+\frac{y}{2}H_2O\)
c. \(4FeS_2+11O_2\rightarrow2Fe_2O_3+8SO_2\)
d. \(NaOH+HCl\rightarrow NaCl+H_2O\)
e. \(2Fe\left(OH\right)_3\rightarrow Fe_2O_3+3H_2O\)
f. \(2Fe+2Cl_2\rightarrow2FeCl_3\)
g. \(4Fe\left(OH\right)_2+2H_2O+O_2\rightarrow4Fe\left(OH\right)_3\)
h. \(Fe_2O_3+4CO\rightarrow3Fe+4CO_2\)
i. \(Fe_xO_y+2yHCl\rightarrow xFeCl_{\frac{2y}{x}}+yH_2O\)
k. \(Fe_xO_y+yCO\rightarrow xFe+yCO_2\)
l. \(C_nH_{2n+2}+\frac{3n+1}{2}O_2\rightarrow nCO_2+\left(n+1\right)H_2O\)
1. \(2Ca+O_2\underrightarrow{t^o}2CaO\)
2. \(2Na+Cl_2\underrightarrow{t^o}2NaCl\)
3. \(2Fe+3Cl_2\underrightarrow{t^o}2FeCl_3\)
4. \(Na_2O+H_2O\rightarrow2NaOH\)
5. \(2Al+3S\underrightarrow{t^o}Al_2S_3\)
6. \(2SO_2+O_2\underrightarrow{t^o}2SO_3\)
7. \(Fe+2FeCl_3\rightarrow3FeCl_2\)
8. \(FeCl_2+2NaOH\rightarrow Fe\left(OH\right)_{2\downarrow}+2NaCl\)
9. \(Mg+2HCl\rightarrow MgCl_2+H_2\)
10. \(2Fe\left(OH\right)_3\underrightarrow{t^o}Fe_2O_3+3H_2O\)
11. \(P_2O_5+3H_2O\rightarrow2H_3PO_4\)
12. \(4P+5O_2\underrightarrow{t^o}2P_2O_5\)
13. Bạn xem lại đề câu này nhé!
14. \(H_2+\dfrac{1}{2}O_2\underrightarrow{t^o}H_2O\)
15. \(K+H_2O\rightarrow KOH+\dfrac{1}{2}H_2\)
16. \(2FeCl_2+Cl_2\underrightarrow{t^o}2FeCl_3\)
Bạn tham khảo nhé!
1, 2Ca + O2---> 2CaO
2, 2Na + Cl2---> 2NaCl
3, 2Fe + 3Cl2---> 2FeCl3
4, Na2O + H2O---> 2NaOH
5, 2Al + 3S---> Al2S3
6, 2SO2 + O2---> 2SO3
7, Fe + 2FeCl3---> 3FeCl2
8, FeCl2 + 2NaOH---> Fe(OH)2 + 2NaCl
9, Mg + 2HCl---> MgCl2 + H2
10, 2Fe(OH)3 ---> Fe2O3 + 2H2O
11, P2O5 + 3H2O---> 2H3PO4
12, 4P + 5O2---> 2P2O5
13, NaHCO3 + N2CO3---> H2O + O2 ( cái này mk nhớ là ko có, bạn kiểm tra lại xe có sai ko nhé )
14, 2H2 + O2---> 2H2O
15, 2K + 2H2O---> 2KOH + H2
16, 2FeCl2 + Cl2---> 2FeCl3
Chúc bạn học tốt!!! 
a. 2Cu + O2 → 2CuO
b. 4Al + 3O2 → 2Al2O3
c. 2H2 +O2 → 2H2O
d. 2Na + Cl2 → 2NaCl
e. 2Al + 3Cl2 → 2AlCl3
f. Fe + 2HCl → FeCl2 + H2
g.3NaOH + AlCl3 → 2Al(OH)3 + 3NaCl
$a) MnO_2 + 4HCl \xrightarrow{t^o} MnCl_2 + Cl_2 + 2H_2O$
$Cl_2 + Cu \xrightarrow{t^o} CuCl_2$
$CuCl_2 + 2NaOH \to Cu(OH)_2 + 2NaCl$
$2NaCl + 2H_2O \xrightarrow{đpdd, cmn} 2NaOH + H_2 + Cl_2$
$2NaOH + Cl_2 \to NaCl + NaClO + H_2O$
$NaClO + HCl \to NaCl + HClO$
b)
$2KMnO_4 + 16HCl \to 2KCl + 2MnCl_2 + 5Cl_2 + 8H_2O$
$Cl_2 + H_2 \xrightarrow{ánh\ sáng} 2HCl$
$HCl + KOH \to KCl + H_2O$
$2KCl + 2H_2O \xrightarrow{đpdd, cmn} 2KOH + H_2 + Cl_2$
$3Cl_2 + 2Fe \xrightarrow{t^o} 2FeCl_3$
$FeCl_3 + 3AgNO_3 \to Fe(NO_3)_3 + 3AgCl$