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1,
| H2O | + | K2O | → | 2KOH |
2,
| Fe2O3 | + | 3H2SO4 | → | Fe2(SO4)3 | + | 3H2O |
3,
| 2HCl | + | Na2O | → | H2O | + | 2NaCl |
4, Phương trình này không xảy ra nha bạn
5,
| BaO | + | H2O | → | Ba(OH)2 |
6,
| 2HNO3 | + | ZnO | → | H2O | + | Zn(NO3)2 |
7,
| 2HCl | + | MgO | → | H2O | + | MgCl2 |
8,
| K2O | + | CO2 | → | K2CO3 |
9,
| Na2O | + | SO2 | → | Na2SO3 |
10,
| Al2O3 | + | 3H2SO4 | → | Al2(SO4)3 | + | 3H2O |
Ba+2HCl--->BaCl2+H2
Fe+2HCl--->FeCl2+H2
MgO+2HCl--->MgCl2+H2
ZnO+2HCl--->ZnCl2+H2
P2O5+3H2O--->2H3PO4
P2O5+6NaOH--->2Na3PO4+ 3H2O
Ba+CuSO4--->BaSO4+Cu
Fe+CuSO4--->Cu+FeSO4
Ba+2AgNO3---->2Ag+Ba(NO3)2
Fe+2AgNO3---->2Ag+Fe(NO3)2
2FeS2+6O2-->Fe2O3+4SO2
2SO2+O2-->2SO3(V2O5,to)
SO3+H2O-->H2SO4
b)2Na+2H2O-->2NaOH+H2
2NaOH+H2SO4-->Na2SO4+2H2O
Na2SO4+Ba(OH)2-->BaSO4+2NaOH
2NaOH+CO2-->Na2CO3+H2O
Na2CO3+2HCl-->2NaCl+H2O+CO2
NaCl+AgNO3-->NaNO3+AgCl
C)
4Al+3O2-->2AL2O3
Al2O3+3H2SO4-->Al2(SO4)3+3H2O
Al2(SO4)3+3Ba(OH)2-->3BaSO4+2Al(OH)3
Al(OH)3+NaOH-->NaAlO2+H2O
NaALO2+H2O+CO2-->Al(OH)3+NaHCO3
Al(OH)3+HCl-->AlCl3+H2O
AlCl3+AgNO3-->Al(NO3)3+AgCl
a) 2FeS2 +11/2O2-----> 4SO2 +Fe2O3
2SO2+O2------> 2SO3
SO3+H2O----- -> H2SO4.
b) 2Na +2H2O-----> 2NaOH+H2
2NaOH+H2SO4----> Na2SO4 +2H2O
Na2SO4+Ba(OH)2----> NaOH +BaSO4
2NaOH+CO2----> Na2CO3+H2O
Na2CO3+2HCl----> 2NaCl+H2O+CO2
NaCl+AgNO3--->NaNO3+AgCl
c) 4Al+3O2--- -> 2Al2O3
Al2O3+3H2SO4 -> Al2(SO4)3+3H2O
Al2(SO4)3+6NaOH-> 2Al(OH)3+3Na2SO4
Al(OH)2+NaOH ----> NaAlO2+2H2O
NaAlO2+2H2O+CO2----> Al(OH)3 +NaHCO3
Al(OH)3+3NaOH----> AlCl3+3NaOH
Alcl3+3AgNO3---> Al(NO3)3+3NaCl
1)2 Na +2H2O---->2NaOH+H2
2)SO2+H2O------->H2SO3
3)SO2+CaO---->CaSO3
4)Fe2O3+6HCl--->2FeCl2_+3H20
5)CO2+Ba(OH)2----->BaCO3+H2O
6)ZnO+h2SO4--->ZnSO4+H2O
7) H20+CaO---->Ca(OH)2
8)H2O+CO2---->H2CO3
9)CaO+CO2--->CaCO3
10) Al2O3 +6HCl--->2AlCl3+3H2O
Chúc bạn học tốt
Nhớ tick cho mk nhé
1, 2Mg + O2 => 2MgO
2, Cu + Cl2=> CuCl2
3, 2Al + 3O2=> 2Al2O3
4, 4Na + O2=> 2Na2O
5, 2SO2+ O2 => 2SO3
6, 3KOH +FeCl3 => Fe(OH)3 +3KCl
7, Na2O + 2HCl => 2NaCl + H2O
8, 2Al + 3H2SO4 => Al2 (SO4)3 + 3H2
1, 2Mg + O2 → 2MgO
2, Cu + Cl2 → CuCl2
3, 4Al + 3O2 → 2Al2O3
4, 4Na + O2 → 2Na2O
5, 2SO2 + O2 → 2SO3
6, 3KOH + FeCl3 → 3KCl + Fe(OH)3
7, Na2O + 2HCl → 2NaCl + H2O
8, 2Al + 3H2SO4 → Al2(SO4)3 + 3H2
a)SO2,Na2O,CaO,CO2,BaO
SO2+H2O->H2SO3
Na2O+H2O->2NaOH
CaO+H2O->Ca(OH)2
CO2+H2O->H2CO3
BaO+H2O->Ba(OH)2
b)CuO,Na2O,CaO,Al2O3,BaO
CuO+2HCl->CuCl2+H2O
Na2O+2HCl->2NaCl+H2O
CaO+2HCl->CaCl2+H2O
Al2O3+6HCl->2AlCl3+3H2O
BaO+2HCl->BaCl2+H2O
c)SO2,CO2
SO2+2NaOH->Na2SO3+H2O
CO2+2NaOH->Na2CO3+H2O
Bài 2:
a)C+O2->CO2
CO2+CaO->CaCO3
CaCO3+2HCl->CaCl2+CO2+H2O
2CO2+Ca(OH)2->Ca(HCO3)2
b)S+O2->SO2
2SO2+O2->2SO3
SO3+H2O->H2SO4
H2SO4+K2SO3->K2SO4+SO2+H2O
SO2+H2O->H2SO3
1) 2Al+2NaOH+2H2O\(\rightarrow\)2NaAlO2+3H2
2) NaAlO2+CO2+2H2O\(\rightarrow\)NaHCO3+Al(OH)3
3) Al(OH)3+NaOH\(\rightarrow\)NaAlO2+2H2O
4) 2Al(OH)3\(\rightarrow\)Al2O3+3H2O
5) Al2O3+3H2\(\rightarrow\)2Al+3H2O
6) 4Al+3O2\(\rightarrow\)2Al2O3
7) 2Al+ 3FeCl2\(\rightarrow\)2AlCl3+3Fe
8) 4Fe+3O2\(\overset{t^0>450^0C}{\rightarrow}2Fe_2O_3\)
9) Fe2O3+2Al\(\rightarrow\)Al2O3+2Fe
10) Al2O3+2NaOH\(\rightarrow\)2NaAlO2+H2O
11) 2Al+3Fe(NO3)2\(\rightarrow\)2Al(NO3)3+3Fe
12) Al(NO3)3+3NaOH\(\rightarrow\)Al(OH)3+3NaNO3
13) 4Al+3O2\(\rightarrow\)2Al2O3
14) Al2O3+6HCl\(\rightarrow\)2AlCl3+3H2O
15) AlCl3+3NaOH\(\rightarrow\)Al(OH)3+3NaCl
\(FeCO_3+2HCl\rightarrow FeCl_2+CO_2+H_2O\)
\(FeCl_2+2NaOH\rightarrow Fe\left(OH\right)_2+NaCl\)
\(2FeCl_2+Cl_2\rightarrow2FeCl_3\)
\(4Fe\left(OH\right)_2+2H_2O+O_2\rightarrow4Fe\left(OH\right)_3\)
\(CO_2+Ba\left(OH\right)_2\rightarrow Ba\left(HCO_3\right)_2\)
\(Ba\left(HCO_3\right)_2+NaOH\rightarrow BaCO_3+Na_2CO_3+H_2O\)
\(BaCO_3+2HCl\rightarrow CO_2+BaCl_2+H_2O\)
\(2FeCl_3+3Na_2CO_3+H_2O\rightarrow6NaCl+Fe_2\left(CO_3\right)_3\)
AlCl3 + 3NaOH -> Al(OH)3 + 3NaCl
2Al(OH)3 -> Al2O3 + 3H2O
2Al2O3 \(\underrightarrow{đpnc}\) 4Al + 3O2
b;
4Al + 3O2 -> 2Al2O3
Al2O3 + 2NaOH + 2CO2 + 3H2O -> 2Al(OH)3 + 2NaHCO3
2Al(OH)3 -> Al2O3 + 3H2O
Al2O3 +6HCl -------> 2AlCl3 +3H2O
Al2O3 +2NaOH-----------> 2NaAlO2 +H2O
ZnO +2HCl------------> ZnCl2 +H2O
ZnO +2NaOH------>Na2ZnO2 +H2O
Chúc bạn học tốt
Nhớ tích cho mk nhé
Al2O3+6 HCl---> 2AlCl3 + 3H2O
2NaOH+ Al2O3--->2NaAlO2+H2O
ZnO + 2HCl ---> ZnCl2+H2O
ZnO + 2NaOH --->Na2ZnO2+H2O( phản ứng ion)