\(\left(1\right)CuO+2HCl\rightarrow CuCl_2+H_2O\\ \left(2\right)CuCl_2+2KOH\rightarrow Cu\left(OH\right)_2\downarrow+KCl\\ \left(3\right)Cu\left(OH\right)_2+H_2SO_4\rightarrow CuSO_4+2H_2O\\ \left(4\right)CuSO_4+BaCl_2\rightarrow CuCl_2+BaSO_4\downarrow\)

2Cu + O₂ ---> 2CuO

CuO + HCl ---> CuCl₂ + H₂O

CuCl₂ + Ba(OH)₂ ---> Cu(OH)₂ + BaCl₂

Cu(OH)₂ ---t^o--> 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

_{(1)     S+O2------>SO2}

(2)   2SO2+O2------->2SO3

(3)   SO3+H2O------->H2SO4

(4)   H2SO4+Cu------>CuSO4+H2

(5)  CuSO4+2NaOH------->Cu(OH)2+Na2SO4

(6)  Cu(OH)2-------->CuO+H2O

(7)  CuO+H2--------->Cu+H2O

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

Cu +2 H2SO4 -->_{nhiệt độ} CuSO4 + 2H2O + SO2

CuSO4 +BaCl2 --> BaSO4 +,CuCl2

CuCl2 +2NaOH ---> Cu(OH)2 + 2NaCl

Cu(OH)2 ---> _{nhiệt độ} CuO + H2O

CuO + H2 --->_{nhiệt độ} Cu + H2O

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) \(CuO+H_2\underrightarrow{t^o}Cu+H_2O\)

\(2Cu+O_2\underrightarrow{^{^{t^0}}}2CuO\)

\(CuO+2HCl\rightarrow CuCl_2+H_2O\)

\(CuCl_2+2NaOH\rightarrow Cu\left(OH\right)_2+2NaCl\)

\(CuCl_2+2AgNO_3\rightarrow Cu\left(NO_3\right)_2+2AgCl\)

\((1)Cu+2H_2SO_{4(\text{đ})}\xrightarrow{t^o} CuSO_4+2H_2O+SO_2\uparrow\\ (2)CuSO_4+BaCl_2\to CuCl_2+BaSO_4\downarrow\\ (3)CuCl_2+2NaOH\to Cu(OH)_2\downarrow +2NaCl\\ (4)Cu(OH)_2\xrightarrow{t^o}CuO+H_2O\\ (5)CuO+H_2\xrightarrow{t^o}Cu+H_2O\)

\(2Cu+O_2\underrightarrow{^{^{t^o}}}2CuO\)

\(CuO+2HCl\rightarrow CuCl_2+H_2O\)

\(CuCl_2+2NaOH\rightarrow Cu\left(OH\right)_2+2NaCl\)

\(Cu\left(OH\right)_2+H_2SO_4\rightarrow CuSO_4+2H_2O\)

\(CuSO_4+Ba\left(NO_3\right)_2\rightarrow Cu\left(NO_3\right)_2+BaSO_4\)

Cu --(Oxi hóa)--> CuO --(Phản ứng với HCl)--> CuCl2 --(Phản ứng với NaOH)--> Cu(OH)2 --(Phản ứng với H2SO4)--> CuSO4 --(Phản ứng với HNO3)--> Cu(NO3)2

____________________HT_________________________

\(Cu+Cl_2\xrightarrow[]{t^0}CuCl_2\\ CuCl_2+2AgNO_3\rightarrow Cu\left(NO_3\right)_2+2AgCl\\ Cu\left(NO_3\right)_2+2KOH\rightarrow Cu\left(OH\right)_2+2KNO_3\\ Cu\left(OH\right)_2\xrightarrow[]{t^0}CuO+H_2O\\ CuO+H_2SO_4\rightarrow CuSO_4+H_2O\\ CuSO_4+Mg\rightarrow MgSO_4+Cu\)

Cu+Cl2➝CuCl2   

CuCl2+2AgNO3➝Cu(NO3)2+2AgCl↓ 

Cu(NO3)2+2NaOH➝ Cu(OH)2↓+2NaNO3

Cu(OH)2➝CuO+H2O

CuO+H2SO4➝CuSO4+H2O

CuSO4+Mg(OH)2➝Cu(OH)2↓+MgSO4

\(2Cu+O_2\underrightarrow{t^o}2CuO\)

\(CuO+2HCl\rightarrow CuCl_2+H_2O\)

\(CuCl_2+2NaOH\rightarrow2NaCl+Cu\left(OH\right)_2\)

\(Cu\left(OH\right)_2+H_2SO_4\rightarrow CuSO_4+2H_2O\)