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1) 2Mg + O2 -to-➢ 2MgO
2) 2K + 2H2O → 2KOH + H2
3) 2NaOH + CuCl2 → 2NaCl + Cu(OH)2
4) 2Fe + 3Cl2 -to-➢ 2FeCl3
5) 6KOH + Al2(SO4)3 → 3K2SO4 + 2Al(OH)3
6) 3Ca(OH)2 + 2H3PO4 → Ca3(PO4)2 + 6H2O
1) CuCl2 + 2NaOH - -> Cu(OH)2 + 2NaCl
2) Fe (NO3)3 + 3NaOH - -> Fe(OH)3 + 3NaNO3
3) P2O5 + 3H2O - -> 2H3PO4
4) 2Al + 3H2SO4 - -> Al2(SO4)3 + 3H2
1) CuCl2 + 2NaOH - -> Cu(OH)2 + 2NaCl
2) Fe(NO3)3 + 3NaOH - -> Fe(OH)3 + 3NaNO3
3) P2O5 + 3H2O - -> 2H3PO4
4) 2Al + 3H2SO4 - -> Al2(SO4)3 + 3H2
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!!!
2Cu + O2 -> 2CuO
2Al(OH)3 + 3H2SO4 -> Al2(SO4)3 + 6H2O
2Fe + 3Cl2 -> 2FeCl3
CnH2n + 3n/2O2 -> nCO2 + nH2O
a) 2Mg + O2 --to--> 2MgO
b) 2KClO3 --to--> 2KCl + 3O2
c) K2O + H2O --> 2KOH
d) \(CuCl_2+2NaOH\rightarrow Cu\left(OH\right)_2\downarrow+2NaCl\)
a, 2Al+3H2SO4\(\rightarrow\)Al2SO4+3H2
c. 2Fe+3Cl2\(\rightarrow\)2FeCl3
b. 2NaOH+ZnCl2\(\rightarrow\).Zn(OH)2+2NaCl
d. 3Fe+2O2\(\rightarrow\)Fe3O4
\(\cdot2Al+3H_2SO_4\xrightarrow[]{}Al_2\left(SO_4\right)_3+3H_2\)
\(\cdot2NaOH+ZnCl_2\xrightarrow[]{}Zn\left(OH\right)_2+2NaCl\)
\(\cdot2Fe+3CL_2\xrightarrow[]{}2FeCl_3\)
\(\cdot3Fe+2O_2\xrightarrow[]{}Fe_3O_4\)
\(1.2Fe+3Cl_2\overset{t^o}{--->}2FeCl_3\)
\(2.Zn+S\overset{t^o}{--->}ZnS\)
\(3.4P+5O_2\overset{t^o}{--->}2P_2O_5\)
\(4.Mg+2HCl--->MgCl_2+H_2\)
\(5.CO_2+H_2O--->H_2CO_3\)
\(6.K_2O+H_2O--->2KOH\)
\(7.4Na+O_2--->2Na_2O\)
\(8.Fe_2\left(SO_4\right)_3+3Ca\left(OH\right)_2--->2Fe\left(OH\right)_3\downarrow+3CaSO_4\)
\(9.Al_2O_3+3H_2SO_4--->Al_2\left(SO_4\right)_3+3H_2O\)
1) 2Fe+3Cl2 --to- > 2FeCl3
2)Zn+S --to- > ZnS
3) 4P+5O2 --to- > 2P2O5
4) Mg+ 3HCl ---> MgCl2 + H2
5)CO2+H2O --->H2CO3
6)K2O+H2O ----> 2KOH
7)4Na + O2 --to- > 2Na2O
8)Fe2(SO4)3 + 3Ca(OH)2 ----> 2Fe(OH)3+ 3CaSO4
9. Al2O3 + 3H2SO4 -----> Al2(SO4)3 + 3H2O
a) 6Fe + 4O2 ---> 2Fe3O44
b) 2Al + 3Cl2 ---> 2AlCl3
c) CuO + 2HCl ---> CuCl2 + H2O
d) BaCl2 + Na2SO4 ---> BaSO4 + 2NaCl
\(3Fe+2O_2\rightarrow Fe_3O_4\)
\(2Al+3Cl_2\rightarrow2AlCl_3\)
\(CuO+2HCl\rightarrow CuCl_2+H_2O\)
\(BaCl_2+Na_2SO_4\rightarrow BaSO_4+2NaCl\)
\(Ca\left(OH\right)_2+Na_2CO_3\rightarrow CaCO_3+2NaOH\)
\(Zn+2HCl\rightarrow ZnCl_2+H_2\)
\(2KClO_3\rightarrow2KCl+3O_2\)
\(P_2O_5+3H_2O\rightarrow2H_3PO_4\)
\(4P+5O_2\rightarrow2P_2O_5\)
2Mg + O2 ---->2MgO
2Fe + 3Cl2---> 2FeCl3
2NaOH + CuCl2 --- > Cu(OH)2 + 2NaCl
2Mg + O2 -----> 2MgO
2Fe + 3Cl2 ----> 2FeCl3
2NaOH + CuCl2 ----> Cu(OH)2+ 2NaCl