\(C+O_2\underrightarrow{t^o}CO_2\)

\(CO_2+CaO\rightarrow CaCO_3\)

\(CaCO_3+2HCl\rightarrow CaCl_2+CO_2+H_2O\)

\(CaCl_2+2AgNO_3\rightarrow Ca\left(NO_3\right)_2+2AgCl_{\downarrow}\)

Bạn tham khảo nhé!

\(C+O_2\underrightarrow{t^0}CO_2\)

\(CO_2+Ca\left(OH\right)_2\rightarrow CaCO_3+H_2O\)

\(CaCO_3+2HCl\rightarrow H_2O+CO_2+CaCl_2\)

\(CaCl_2+2AgNO_3\rightarrow2AgCl+Ca\left(NO_3\right)_2\)

1/

MnO₂+ 4HCl\(\rightarrow\) MnCl₂+ Cl₂+ 2H₂O

Cl₂+H₂\(\xrightarrow[]{as}\) 2HCl

HCl+ NaOH\(\rightarrow\) NaCl+ H₂O

2NaCl\(\xrightarrow[]{đpnc}\) 2Na+ Cl₂

Cl₂+ SO₂+ 2H₂O\(\rightarrow\) H₂SO₄+ 2HCl

H₂SO_{4 đặc}+ NaCl_{tinh thể}\(\xrightarrow[]{< 250\cdot C}\) NaHSO₄+ HCl

4/

H₂SO_{4 đặc}+ NaCl_{tinh thể}\(\xrightarrow[]{< 250\cdot C}\) NaHSO₄+ HCl

MnO₂+ 4HCl\(\rightarrow\) MnCl₂+ Cl₂+ 2H₂O

3Cl₂+ 6KOH_đặc\(\rightarrow\) KClO₃+ 5KCl+ 3H₂O

2KClO₃\(\xrightarrow[MnO2]{to}\) 2KCl+ 3O₂

2KCl\(\xrightarrow[]{đpnc}\) K+ Cl₂

Cl₂+ Ca(OH)₂\(\xrightarrow[]{30\cdot C}\) CaOCl₂+ H₂O

1, \(MnO_2+4HCl\underrightarrow{t^o}MnCl_2+Cl_2+2H_2O\)

\(Cl_2+H_2\underrightarrow{as,t^o}2HCl\)

\(HCl+NaOH\rightarrow NaCl+H_2O\)

\(2NaCl+2H_2O\xrightarrow[cmn]{đpdd}2NaOH+Cl_2+H_2\)

\(4Cl_2+4H_2O+H_2S\rightarrow H_2SO_4+8HCl\)

\(H_2SO_4+NaCl\underrightarrow{>400^oC}Na_2SO_4+HCl\uparrow\)

2, \(2KMnO_4+18HCl\rightarrow2KCl+2MnCl_2+5Cl_2+8H_2O\)

\(3Cl_2+2Fe\underrightarrow{t^o}2FeCl_3\)

\(FeCl_3+3KOH\rightarrow Fe\left(OH\right)_3\downarrow+3KCl\)

\(2KCl+2H_2O\xrightarrow[cmn]{đpdd}2KOH+Cl_2+H_2\)

3, \(4HCl+MnO_2\underrightarrow{t^o}MnCl_2+Cl_2+2H_2O\)

\(3Cl_2+2Fe\underrightarrow{t^o}2FeCl_3\)\(FeCl_3+3NaOH\rightarrow3NaCl+Fe\left(OH\right)_3\downarrow\)

\(2NaCl+H_2SO_4\underrightarrow{>400^oC}Na_2SO_4+2HCl\)

\(2HCl+Cu\left(OH\right)_2\rightarrow CuCl_2+2H_2O\)

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

4, \(H_2SO_4+2NaCl\underrightarrow{>400^oC}Na_2SO_4+2HCl\uparrow\)

\(4HCl+MnO_2\underrightarrow{t^o}MnCl_2+Cl_2+2H_2O\)

\(3Cl_2+6KOH\underrightarrow{80-100^oC}5KCl+KClO_3+3H_2O\)

\(2KClO_3\underrightarrow{t^o}2KCl+3O_2\)

\(2KCl+2H_2O\xrightarrow[cmn]{đpdd}2KOH+Cl_2+H_2\)

\(Cl_2+Ca\left(OH\right)_2\underrightarrow{30^oC}CaOCl_2+H_2O\)

Bạn tham khảo nhé!

1.

\(MnO_2+4HCl\rightarrow MnCl_2+Cl_2+H_2O\)

\(Cl_2+H_2\underrightarrow{^{to}}2HCl\)

\(NaOH+HCl\rightarrow NaCl+H_2O\)

\(2NaCl\underrightarrow{^{đpnc}}2Na+Cl_2\)

\(Cl_2+SO_2+2H_2O\rightarrow2HCl+H_2SO_4\)

\(NaCl+H_2SO_{4_đ}\underrightarrow{^{to}}NaHSO_4+HCl\)

2.

\(2KMnO_4+16HCl\rightarrow2KCl+2MnCl_2+5Cl_2+8H_2O\)

\(2Fe+3Cl_2\underrightarrow{^{to}}2FeCl_3\)

\(FeCl_3+3KOH\rightarrow Fe\left(OH\right)_3+3KCl\)

\(2KCl+2H_2O\underrightarrow{^{đpmn}}2KOH+H_2+Cl_2\)

3.

\(MnO_2+4HCl\underrightarrow{^{to}}MnCl_2+Cl_2+2H_2O\)

\(2Fe+3Cl_2\underrightarrow{^{to}}2FeCl_3\)

\(FeCl_3+3NaOH\rightarrow Fe\left(OH\right)_3+3NaCl\)

\(NaCl+H_2SO_{4_Đ}\underrightarrow{^{to}}NaHSO_4+HCl\)

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

\(CuCl_2+2AgNO_3\rightarrow2AgCl+Cu\left(NO_3\right)_2\)

4.

\(NaCl+H_2SO_{4_Đ}\underrightarrow{^{to}}NaHSO_4+HCl\)

\(MnO_2+4HCl\rightarrow MnCl_2+Cl_2+2H_2O\)

\(3Cl_2+6KOH\underrightarrow{^{to}}5KCl+KClO_3+3H_2O\)

\(KClO_3+6HCl\rightarrow KCl+3Cl_2+3H_2O\)

\(Cl_2+CaO\underrightarrow{^{to}}CaOCl_2\)

3: \(Na_2O+H_2O\rightarrow2NaOH\)

1) 2Al + 3H₂SO₄ -> Al₂(SO₄)₃ +3H₂

2) FeO + 2HCl  -> FeCl₂ +H₂O

3) Na₂O + H₂O -> 2NaOH

4) N₂O₅ + H₂O -> 2HNO₃

a)

\(2KClO_3 \xrightarrow{t^o} 2KCl + 3O_2(X)\\ 3O_2 + 4Al \xrightarrow{t^o} 2Al_2O_3(Y)\\ Al_2O_3 + 6HCl \to 2AlCl_3(Z) + 3H_2O\\ AlCl_3 + 3KOH \to Al(OH)_3(T) + 3KCl\\ 2Al(OH)_3 + 3H_2SO_4 \to Al_2(SO_4)_3 + 3H_2O\\ \)

b)

\(2KMnO_4 \xrightarrow{t^o} K_2MnO_4 + MnO_2 + O_2(A)\\ 2H_2 + O_2 \xrightarrow{t^o} 2H_2O\\ 2H_2O + 2Na \to 2NaOH(B) + H_2\\ 2NaOH \xrightarrow{đpnc} Na + O_2 + H_2 CuO + H_2 \xrightarrow{t^o} Cu(C) + H_2O\)

A: O2 B: Al2O3 C: AlCl3 D: Al(OH)3

2KClO3-t^o-->2KCl+3O2

3O2+4Al--->2Al2O3

Al2O3+6HCl--->2AlCl3+3H2O

AlCl3+3NaOH--->Al(OH)3+3NaCl

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

b> 2

$KMn{}^{}{}^{}{}^{}Mn{}^{}+Mn{}^{}+{}^{}$

${}^{}+2{}^{}{}^{}2{}^{}O$

${}^{}O+S{}^{}\to {}^{}S{}^{}$

$Fe+{}^{}S{}^{}\to FeS{}^{}+{}^{}$

$2{}^{}+C{}^{}{}^{}$

a) 4FeS₂+11O₂\(\overset{t^0}{\rightarrow}\)2Fe₂O₃+8SO₂

2SO₂+O₂\(\overset{V_2O_5,t^0}{\rightarrow}2SO_3\)

SO₃+H₂O\(\rightarrow\)H₂SO₄

Cu+ 2H₂SO_4đ\(\overset{t^0}{\rightarrow}\)CuSO₄+SO₂+H₂O

b)

AlCl₃+3NaOH\(\rightarrow\)Al(OH)₃+3NaCl

2Al(OH)₃\(\overset{t^0}{\rightarrow}Al_2O_3+3H_2O\)

Al₂O₃+3H₂SO₄\(\rightarrow\)Al₂(SO₄)₃+3H₂O

Al₂(SO₄)₃+3BaCl₂\(\rightarrow\)3BaSO₄+2AlCl₃

c) 4Na+O₂\(\overset{t^0}{\rightarrow}2Na_2O\)

Na₂O+H₂O\(\rightarrow\)2NaOH

2NaOH+CO₂\(\rightarrow\)Na₂CO₃+H₂O

Na₂CO₃+CO₂+H₂O\(\rightarrow\)2NaHCO₃

- Na2O + H2O --> 2NaOH
- SO2 + 2 NaOH --> Na2SO3+ H2O
- Na2SO3 + H2SO4 --> Na2SO4 + SO2 + H2O
- SO2 + K2O --> K2SO3

a)\(4Al+3O_2\underrightarrow{t^o}2Al_2O_3\)

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

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

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

   \(2Al+3S\underrightarrow{t^o}Al_2S_3\)

1, (1) 4Al+ 3O2--(to)---> 2Al2O3

(2) Al2O3+6HCl---> 2AlCl3+ 3H2O

(3) AlCl3+3NaOH---->Al(OH)3+ 3NaCl

(4) 2Al(OH)3---(t^o)---> Al2O3+ 3H2O

(5)2Al2O3---(t^o+ đpnc)--> 4Al+ 3O2

(6) 2Al+ 3Cl2---> 2AlCl3

2, (1)Fe+ CuSO4-->Cu+ FeSO4

(2) FeSO4+ 2NaOH--> Fe(OH)2+ Na2SO4

(3) Fe(OH)2 +2HCl---> FeCl2+ 2H2O

Bài cuối tự làm nhé!

câu 3

2Al + 3Cl2 --t--> 2AlCl3

AlCl3 + 3NaOH -> 3NaCl + Al(OH)3

2Al(OH)3 -t-> Al2O3 + H2O

Al2O3 + 3H2SO4 -> Al2(SO4)3 + 3H2O

Al2(SO4)3 + 3BaCl2 -> 3BaSO4 + 2AlCl3

2AlCl3 + 3Mg -> 2Al + 3MgCl2

\(\left(1\right)4Al+3O_2\underrightarrow{t^o}2Al_2O_3\\ \left(2\right)Al_2O_3+6HCl\rightarrow2AlCl_3+3H_2O\\ AlCl_3+3NaOH\rightarrow Al\left(OH\right)_3\downarrow+3NaCl\\ 2Al\left(OH\right)_3\underrightarrow{t^o}Al_2O_3+3H_2O\\ 2Al_2O_3\underrightarrow{dpnc}4Al+3O_2\\ 2Al+6HCl\rightarrow2AlCl_3+3H_2\)