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a: \(Cu+H_2SO_4->CuSO_4+H_2\)
\(CuSO_4+BaCl_2->CuCl_2+BaSO_4\)
\(2CuCl_2+O_2->2CuO+2Cl_2\)
\(a,2Al_2O_3\rightarrow\left(đpnc,criolit\right)4Al+3O_2\\ 2Al+6HCl\rightarrow2AlCl_3+3H_2\\ AlCl_3+3NaOH\rightarrow Al\left(OH\right)_3+3NaCl\\ 2Al\left(OH\right)_3\rightarrow\left(t^o\right)Al_2O_3+3H_2O\\ Al_2O_3+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2O\)
\(b,2Cu+O_2\rightarrow\left(t^o\right)2CuO\\ CuO+2HCl\rightarrow CuCl_2+H_2O\\ CuCl_2+2KOH\rightarrow Cu\left(OH\right)_2+2KCl\\ Cu\left(OH\right)_2\rightarrow\left(t^o\right)CuO+H_2O\)
a.
2Al2O3 \(\underrightarrow{t^o}\)4Al + 3O2\(\uparrow\)
Al + 6HNO3 \(\rightarrow\) Al(NO3)3\(\downarrow\) + 3NO2 + 3H2O
Al(NO3)3 + NaOH \(\rightarrow\) Al(OH)3\(\downarrow\) + NaNO3
2Al(OH)3 \(\xrightarrow[criolit]{đpnc}\) Al2O3 + 3H2O
Al2O3 + 3H2SO4 \(\rightarrow\) Al2(SO4)3 + 3H2O
Al2(SO4)3 + 3BaCl2 \(\rightarrow\) 3BaSO4\(\downarrow\) + 2AlCl3
2AlCl3 \(\xrightarrow[criolit]{đpnc}\) 2Al + 3Cl2\(\uparrow\)
2Al + 3CuSO4 \(\rightarrow\) 3Cu + Al2(SO4)3
a) Fe+Cl-->FeCl3
FeCl3+NaOH-->Fe(OH)3+NaCl
Fe(OH)3--> Fe2O3+H2O
Fe2O3+CO--> Fe+Co2
b)
Fe+HCl->Fecl2 +H2
FeCl2+Cl->FeCl3
FeCl3+AgNo3-> Fe(No3)3+AgCl
Fe(OH)3-> Fe2O3+ H2O
Fe2O3+CO->Fe+ CO2
c) Al+O2->Al2O3
Al2O3+ HCl-> AlCl3+H2
AlCl3+NaOH->Al(OH)3+NACl
Al(OH)3--> Al2O3+H2O
Al2O3+Co--> Al+Co2
Al+ HCl->AlCl3+H2
d) S+O2-> SO2
So2+O2->So3
So3+O2->So4
So4+H2O->H2So4+Oh
H2So4+NaOH->Na2SO4+H2O
Na2So4+BaCl--> NaCl+BaSO4
e) Cu(OH)2-> CuO+H2O
CuO+H2SO4-> CuSo4+H2
CuSO4+HCl-> CuCl2+H2So4
CuCl2+HNO3-> Cu(NO3)2+HCl
Cu(NO3)2+H2O->Cu+ HNO3+O2
Cu+ O2-> Cuo
Bạn ghi ko rõ ràng( dấu cộng ko có, mũ thì không rõ là ở đâu, ít nhất bạn ghi mũ 3 như ^3)
Nói chung là bạn gửi lại cho mình để mình làm cho, nhớ ghi rõ ra nhé
a, \(Cu+Cl_2\underrightarrow{t^o}CuCl_2\)
\(CuCl_2+2NaOH\rightarrow2NaCl+Cu\left(OH\right)_{2\downarrow}\)
\(Cu\left(OH\right)_2\underrightarrow{t^o}CuO+H_2O\)
\(CuO+H_2SO_4\rightarrow CuSO_4+H_2O\)
\(CuSO_4+BaCl_2\rightarrow CuCl_2+BaSO_{4\downarrow}\)
\(CuCl_2+2AgNO_3\rightarrow Cu\left(NO_3\right)_2+2AgCl_{\downarrow}\)
b, \(2Al+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2\)
\(Al_2\left(SO_4\right)_3+6NaOH\rightarrow3Na_2SO_4+2Al\left(OH\right)_{3\downarrow}\)
\(2Al\left(OH\right)_3\underrightarrow{t^o}Al_2O_3+3H_2O\)
\(2Al_2O_3\underrightarrow{t^o}4Al+3O_2\)
\(2Al+6HCl\rightarrow2AlCl_3+3H_2\)
\(AlCl_3+3NaOH\rightarrow Al\left(OH\right)_{3\downarrow}+3NaCl\)