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2Cu + O2 ➝ 2CuO
CuO + H2SO4 ➝ CuSO4 + H2O
CuSO4 + BaCl2 ➝ CuCl2 + BaSO4↓
CuCl2 + 2AgNO3 ➝ Cu(NO3)2 + 2AgCl↓
Cu(NO3)2 +2NaOH➝Cu(OH)2↓+ 2NaNO3
Cu(OH)2 to→to→CuO + H2O
CuO + H2 ➝ Cu + H2O
Cu + 2H2SO4(đ) → CuSO4 + SO2 + 2H2O
CuSO4 + Fe ➝ Cu + FeSO4
Cu + 2H2SO4(đ) → CuSO4 + SO2 + 2H2O
2Cu + O2 ➝ 2CuO
CuO + H2SO4 ➝ CuSO4 + H2O
CuSO4 + BaCl2 ➝ CuCl2 + BaSO4↓
CuCl2 + 2AgNO3 ➝ Cu(NO3)2 + 2AgCl↓
Cu(NO3)2 +2NaOH➝Cu(OH)2↓+ 2NaNO3
Cu(OH)2 \(\underrightarrow{t^o}\)CuO + H2O
CuO + H2 ➝ Cu + H2O
Cu + 2H2SO4(đ) \(\xrightarrow[]{t^o}\) CuSO4 + SO2 + 2H2O
CuSO4 + Fe ➝ Cu + FeSO4
Cu + 2H2SO4(đ) \(\xrightarrow[]{t^o}\) CuSO4 + SO2 + 2H2O
(1) Cu(OH)2 -t0-> CuO + H2O
(2) CuO + H2 -t0-> Cu + H2O
(3) Cu + Cl2 -t0-> CuCl2
(4) CuCl2 + 2NaOH - > Cu(OH)2 + 2NaCl
(5) Cu(OH)2 + H2SO4 - > CuSO4 + 2H2O
2Cu + O2 ---> 2CuO
CuO + HCl ---> CuCl2 + H2O
CuCl2 + Ba(OH)2 ---> Cu(OH)2 + BaCl2
Cu(OH)2 ---to--> CuO + H2O
CuO + SO3 ---> CuSO4
CuSO4 + Pb(NO3)2 --->Cu(NO3)2 + PbSO4
em tham khảo nha
https://hoctap247.com/de-thi-kiem-tra/cau-hoi/1531862-viet-cac-phuong-trinh-hoa-hoc-tuong-ung-voi-day-chuyen-hoa-sau-cu-1cucl2-2cuno32-3cuoh2-4cuo.html
g) 1. Fe2O3 + 6HCl → 2FeCl3 + 3H2O
2. FeCl3 + 3NaOH → 3NaCl + Fe(OH)3↓
3. 2Fe(OH)3 \(\underrightarrow{to}\) Fe2O3 + 3H2O
4. Fe2O3 + 3H2SO4 → Fe2(SO4)3 + 3H2O
h) 1. ZnCl2 + 2NaOH → 2NaCl + Zn(OH)2↓
2. Zn(OH)2 + 2HCl → ZnCl2 + 2H2O
3. ZnCl2 + 2NaOH → 2NaCl + Zn(OH)2↓
4. NaCl + AgNO3 → NaNO3 + AgCl↓
a) SO2 + Na2O -> Na2SO3
Na2SO3 + H2SO4 -> Na2SO4 + SO2 + H2O
Na2SO4 + Ba(OH)2 -> BaSO4 \(\downarrow\)+ 2NaOH
2NaOH + CO2 -> Na2CO3 + H2O
b) CaO + CO2 -> CaCO3
CaCO3 \(\rightarrow^{t^o}\) CaO + CO2
CaO + H2O -> Ca ( OH)2
Ca ( OH)2 + CO2 -> CaCO3 + H2O
CaCO3 + H2SO4 -> CaSO4 + CO2 + H2O
c) 2Fe + 3Cl2 \(\rightarrow^{t^o}\) 2FeCl3
FeCl3 + 3NaOH -> Fe(OH)3 \(\downarrow\) + 3NaCl
2Fe(OH)3 \(\rightarrow^{t^o}\) Fe2O3 + 3H2O
Fe2O3 + 3H2SO4 -> Fe2(SO4)3 + 3H2O
Fe2(SO4)3 + 3BaCl2 -> 2FeCl3 + 3BaSO4\(\downarrow\)
d) Fe + 2HCl -> FeCl2 + H2
FeCl2 + 2AgNO3 -> 2AgCl\(\downarrow\) + Fe(NO3)2
Fe(NO3)2 + 2NaOH -> Fe(OH)2\(\downarrow\) + 2NaNO3
Fe(OH)2 + H2SO4 -> FeSO4 + 2H2O
$Cu \to CuO \to CuSO_4 \to CuCl_2 \to Cu(OH)_2$
$2Cu + O_2 \xrightarrow{t^o} 2CuO$
$CuO + H_2SO_4 \to CuSO_4 + H_2O$
$CuSO_4 + BaCl_2 \to CuCl_2 + BaSO_4$
$CuCl_2 + 2KOH \to Cu(OH)_2 + 2KCl$