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![](https://rs.olm.vn/images/avt/0.png?1311)
\(1.Cu\left(OH\right)_2\text{ }\left(M\right)\underrightarrow{^{^{t^0}}}CuO\left(A_1\right)+H_2O\left(B_1\right)\)
\(2.CuO+2HCl\left(D_1\right)\rightarrow CuCl_2\left(A_2\right)+H_2O\)
\(3.CuCl_2+2AgNO_3\left(D_2\right)\rightarrow Cu\left(NO_3\right)_2\left(A_3\right)+2AgCl\)
\(4.Cu\left(NO_3\right)_2+2NaOH\rightarrow Cu\left(OH\right)_2+2NaNO_3\)
\(5.H_2O+SO_3\left(E_1\right)\rightarrow H_2SO_4\left(B_2\right)\)
\(6.H_2SO_4+CuCO_3\left(E_2\right)\rightarrow CuSO_4\left(B_3\right)+CO_2+H_2O\)
\(7.CuSO_4+2KOH\left(E_3\right)\rightarrow Cu\left(OH\right)_2+K_2SO_4\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a, (1) \(4Na+O_2\underrightarrow{t^o}2Na_2O\)
(2) \(Na_2O+H_2O\rightarrow2NaOH\)
(3) \(2NaOH+H_2SO_4\rightarrow Na_2SO_4+2H_2O\)
(4) \(Na_2SO_4+BaCl_2\rightarrow BaSO_{4\downarrow}+2NaCl\)
b, (1) \(2KMnO_4\underrightarrow{t^o}K_2MnO_4+MnO_2+O_2\)
(2) \(Ca+\dfrac{1}{2}O_2\underrightarrow{t^o}CaO\)
(3) \(CaO+H_2O\rightarrow Ca\left(OH\right)_2\)
(4) \(Ca\left(OH\right)_2+CO_2\rightarrow CaCO_{3\downarrow}+H_2O\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(Fe+H_2SO_4\rightarrow FeSO_4+H_2\uparrow\\ 2H_2+O_2\underrightarrow{t^o}2H_2O\\ SO_3+H_2O\rightarrow H_2SO_4\)
![](https://rs.olm.vn/images/avt/0.png?1311)
2KClO3-to>2KCl+3O2
O2+2H2-to>2H2O
2H2O-đp->2H2+O2
H2+ZnO-to>Zn+H2O
2Zn+O2-to>2ZnO
2KClO3. --to--> 2KCl + 3O2
H2 + O2 ---to--> H2O
H2O ----> H2 + O2
ZnO + H2 ----> Zn + H2O
O2 +Zn ----> ZnO
![](https://rs.olm.vn/images/avt/0.png?1311)
\(H_2+\dfrac{1}{2}O_2\xrightarrow[]{t^o}H_2O\)
\(H_2O+SO_3\rightarrow H_2SO_4\)
\(Zn+H_2SO_4\rightarrow ZnSO_4+H_2\uparrow\)
\(H_2+CuO\xrightarrow[]{t^o}Cu+H_2O\)
\(Cu+\dfrac{1}{2}O_2\xrightarrow[]{t^o}CuO\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(2SO_2 + O_2 \xrightarrow{t^o,xt} 2SO_3\\ SO_3 + H_2O \to H_2SO_4\\ Na_2O + H_2SO_4 \to Na_2SO_4 + H_2O\\ Na_2SO_4 + BaCl_2 \to BaSO_4 + 2NaCl\)
2SO2+ O2 --> 2SO3
SO3+H2O--> H2S04
2Na+ H2SO4-->Na2SO4+ H2
mik cân bằng rồi còn BaS04 mik chịu XD
![](https://rs.olm.vn/images/avt/0.png?1311)
2KMnO4-to>K2MnO4+MnO2+O2
3O2+2S-to, V2O5->2SO3
SO3+H2O->H2SO4
H2SO4+Fe->FeSO4+H2
2H2+O2-to>2H2O
KMnO4 → K2MnO4 + MnO2 + O2
SO3+ O2-> SO3
SO3 + H2SO4 → H2S3O10
H2SO4+Fe->FeSO4+H2
H2+O2→(to)H2O