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CuCl2 + Ba(OH)2 \(\rightarrow\) Cu(OH)2 + BaCl2
Cu(OH)2 \(\underrightarrow{t^0}\) CuO + H2O
CuO + H2SO4 \(\rightarrow\) CuSO4 + H2O
CuSO4 + Ba(NO3)2 \(\rightarrow\) Cu(NO3)2 + BaSO4
Cu + Cl2→ CuCl2
CuCl2 + 2NaOH → Cu(OH)2 +2 NaCl
Cu(OH)2 \(\underrightarrow{t^°}\) CuO + H2O
CuO +H2SO4 →CuSO4 +H2O
CuSO4 +BaCl2 → BaSO4 + CuCl2
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
a)
(1) \(2Al+3FeCl_2\rightarrow2AlCl_3+3Fe\)
(2) \(2Fe+3Cl_2\underrightarrow{t^o}2FeCl_3\)
(3) \(FeCl_3+3NaOH\rightarrow Fe\left(OH\right)_3\downarrow+3NaCl\)
(4) \(2Fe\left(OH\right)_3\underrightarrow{t^o}Fe_2O_3+3H_2O\)
b)
(1) \(2Cu+O_2\underrightarrow{t^o}2CuO\)
(2) \(CuO+2HCl\rightarrow CuCl_2+H_2O\)
(3) \(CuCl_2+2AgNO_3\rightarrow Cu\left(NO_3\right)_2+2AgCl\downarrow\)
(4) \(Cu\left(NO_3\right)_2+2NaOH\rightarrow Cu\left(OH\right)_2\downarrow+2NaNO_3\)
(5) \(Cu\left(OH\right)_2\underrightarrow{t^o}CuO+H_2O\)
(6) \(CuO+H_2\underrightarrow{t^o}Cu+H_2O\)
$4Na + O_2 \xrightarrow{t^o} 2Na_2O$
$Na_2O + H_2O \to 2NaOH$
$2NaOH + CO_2 \to Na_2CO_3 + H_2O$
$Na_2CO_3 + 2HCl\to 2NaCl + CO_2 + H_2O$
$CO_2 + Ca(OH)_2 \to CaCO_3 + H_2O$
$CaCO_3 + 2HCl \to CaCl_2 + CO_2 + H_2O$
4Na+O2→2Na2O
Na2O+H2O→2NaOH
NaOH+CO2→Na2CO3
Na2CO3+CaCl2−to→CaO+CO2+2NaCl
CaO+2HCl→CaCl2+H2O
SO2 
SO3 
H2SO4
BaSO4
\(S + O_2 \rightarrow^{t^o} SO_2\)
\(2SO_2 + O_2 \rightarrow^{t^o} 2SO_3\)
\(SO_3 + H_2O \rightarrow H_2SO_4\)
\(H_2SO_4 + Ba \rightarrow BaSO_4 + H_2\)
b)
\(CuSO_4 + 2NaOH \rightarrow Cu(OH)_2 + Na_2SO_4\)
\(Cu(OH)_2 \rightarrow^{t^o} CuO + H_2O\)
\(CuO + 2HCl \rightarrow CuCl_2 + H_2O\)
\(CuCl_2 + 2NaOH \rightarrow Cu(OH)_2 + 2NaCl\)
c)
\(K_2O + H_2O \rightarrow 2KOH\)
\(2KOH + H_2SO_4 \rightarrow K_2SO_4 + 2H_2O\)
\(K_2SO_4 + BaCl_2 \rightarrow 2KCl + BaSO_4\)
\(KCl + AgNO_3 \rightarrow KNO_3 + AgCl\)
PTHH:
Cu + H2SO4 → H2 + CuSO4
CuSO4 + BaCl2 → BaSO4 + CuCl2
CuCl2 + Ba(OH)2 → BaCl2 + Cu(OH)2
Cu(OH)2 \(\underrightarrow{t^0}\) H2O + CuO
2CuO \(\underrightarrow{t^0}\) 2Cu + O2
Cu + H2SO4(ĐẶC NÓNG) -\(t^O\)> CuSO4 + 2H2O + SO2
CuSO4 + BACL2 -> CuCL2 + BASO4
CuCL2 + Pb(OH)2 -> Cu(OH)2 + PbCL2
Cu(OH)2 -\(t^O\)> CuO + H2O
CuO + H2 -\(t^O\)> Cu + H2O
\(2Cu+O_2\rightarrow\left(t^o\right)2CuO\\ CuO+2HCl\rightarrow CuCl_2+H_2O\\ CuCl_2+2KOH\rightarrow Cu\left(OH\right)_2+2KCl\\ Cu\left(OH\right)_2\rightarrow\left(t^o\right)CuO+H_2O\)