a) 

(1) 2Al + 6HCl --> 2AlCl₃ + 3H₂

(2) AlCl₃ + 3NaOH --> Al(OH)₃\(\downarrow\) + 3NaCl

(3) 2Al(OH)₃ + 3H₂SO₄ --> Al₂(SO₄)₃ + 6H₂O

(4) Al₂(SO₄)₃+ 3Ba(NO₃)₂ --> 2Al(NO₃)₃ + 3BaSO₄\(\downarrow\)

b)

(1) 2Na + 2H₂O --> 2NaOH + H₂

(2) 2NaOH + H₂SO₄ --> Na₂SO₄ + 2H₂O

(3) Na₂SO₄ + BaCl₂ --> BaSO₄\(\downarrow\) + 2NaCl

(4) NaCl + AgNO₃ --> NaNO₃ + AgCl\(\downarrow\)

c) 

(1) 2Mg + O₂ --t^o--> 2MgO

(2) MgO + 2HCl --> MgCl₂ + H₂O

(3) MgCl₂ + 2NaOH --> Mg(OH)₂\(\downarrow\) + 2NaCl

(4) Mg(OH)₂ + H₂SO₄ --> MgSO₄ + 2H₂O

a)\(2Al+6HCl\rightarrow2AlCl_3+3H_2\)

\(2AlCl_3+3Ba\left(OH\right)_2\rightarrow2Al\left(OH\right)_3+3BaCl_2\)

\(2Al\left(OH\right)_3+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2O\)

\(Al_2\left(SO_4\right)_3+3Ba\left(NO_3\right)_2\rightarrow2Al\left(NO_3\right)_3+3BaSO_4\)

b)\(2Na+2H_2O\rightarrow2NaOH+H_2\)

\(2NaOH+H_2SO_4\rightarrow Na_2SO_4+2H_2O\)

\(Na_2SO_4+BaCl_2\rightarrow2NaCl+BaSO_4\)

\(NaCl+HNO_3\rightarrow NaNO_3+HCl\)

Câu c em tự luyện tập nhé!!!

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

\(CuCl_2+2KOH\rightarrow2KCl+Cu\left(OH\right)_2\)

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

\(CuSO_4+BaCl_2\rightarrow CuCl_2+BaSO_4\)

\((1) 2HCl + CuO \to CuCl_2+H_2O\\ (2)CuCl_2+2NaOH \to Cu(OH)_2 +2NaCl\\ (3)Cu(OH)_2+H_2SO_4 \to CuSO_4+2H_2O\\ (4)CuSO_4+Ba(OH)_2 \to BaSO_4+Cu(OH)_2\)

1: \(Na_2O+H_2O->2NaOH\)

2: \(2Na+2H_2O->2NaOH+H_2\uparrow\)

3: \(2Al\left(OH\right)_3\underrightarrow{t^o}Al_2O_3+3H_2O\)

4: \(Al_2O_3+6HCl->2AlCl_3+3H_2O\)

5: \(FeO+2HCl->FeCl_2+H_2O\)

6: \(4P+5O_2\underrightarrow{t^o}2P_2O_5\)

7: \(N_2O_5+H_2O->2HNO_3\)

8: \(Zn+2HCl->ZnCl_2+H_2\)

9: \(2Al+3CuCl_2->2AlCl_3+3Cu\downarrow\)

10: \(2Al+3H_2SO_4->Al_2\left(SO_4\right)_3+3H_2\uparrow\)

1. \(Na_2O+H_2O\rightarrow2NaOH\)

2. \(2Na+2H_2O\rightarrow2NaOH+H_2\)

3. \(2Al\left(OH\right)_3\underrightarrow{t^o}Al_2O_3+3H_2O\)

4. \(Al_2O_3+6HCl\rightarrow2AlCl_3+3H_2O\)

5. \(FeO+2HCl\rightarrow FeCl_2+H_2O\)

6. \(4P+5O_2\underrightarrow{t^o}2P_2O_5\)

7. \(N_2O_5+H_2O\rightarrow2HNO_3\)

8. \(Zn+2HCl\rightarrow ZnCl_2+H_2\)

9. \(2Al+3CuCl_2\rightarrow2AlCl_3+3Cu\)

10. \(2Al+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2\uparrow\)

\(\left(1\right)CuCl_2+2NaOH\rightarrow Cu\left(OH\right)_2+NaCl\)

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

\(\left(3\right)CuSO_4+2NaCl\rightarrow Na_2SO_4+CuCl_2\)

\(CuCl_2+2NaOH\rightarrow Cu\left(OH\right)_2+2NaCl\\ Cu\left(OH\right)_2+H_2SO_4\rightarrow CuSO_4+2H_2O\\ CuSO_4+BaCl_2\rightarrow CuCl_2+BaSO_4\)

\(a,2Al_2O_3\rightarrow\left(đpnc,criolit\right)4Al+3O_2\\ 2Al+6HCl\rightarrow2AlCl_3+3H_2\\ AlCl_3+3NaOH\rightarrow Al\left(OH\right)_3+3NaCl\\ 2Al\left(OH\right)_3\rightarrow\left(t^o\right)Al_2O_3+3H_2O\\ Al_2O_3+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2O\)

\(b,2Cu+O_2\rightarrow\left(t^o\right)2CuO\\ CuO+2HCl\rightarrow CuCl_2+H_2O\\ CuCl_2+2KOH\rightarrow Cu\left(OH\right)_2+2KCl\\ Cu\left(OH\right)_2\rightarrow\left(t^o\right)CuO+H_2O\)

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

a: \(Cu+H_2SO_4->CuSO_4+H_2\)

\(CuSO_4+BaCl_2->CuCl_2+BaSO_4\)

\(2CuCl_2+O_2->2CuO+2Cl_2\)