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.

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

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

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

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

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

a) 2NaCl----->2Na+Cl2

Cl2+H2--->2HCl

Fe+2HCl---->FeCl2+H2

2FeCl2+Cl2--->2FeCl3

b) C+CO2---->2CO

2CO+O2--->2CO2

CO2+2KOH--->K2CO3+H2O

K2CO3+CO2+H2O----.2KHCO3

a) \(K_2O+H_2O->2KOH\)

b) \(2Fe+3Cl_2->2FeCl_3\)

c) \(2Al\left(OH\right)_3+3H_2SO_4->Al_2\left(SO_4\right)_3+6H_2O\)

d) \(4FeS_2+11O_2->2Fe_2O_3+8SO_2\)

e)\(2Al+6HCl->2AlCl_3+3H_2\)

f) \(2KClO_3->KCl+3O_2\)

g) \(4P+5O_2->2P_2O_5\)

h) \(3Fe+2O_2->Fe_3O_4\)

i) \(2Al+3CuSO_4->Al_2\left(SO_4\right)_3+3Cu\)

j) \(2K+2H_2O->2KOH+H_2\)

SO2 + H2S → S + H2O

H2S + HNO3 → H2SO4 + NO2 + H2O

H2SO4 + BaCl2 → BaSO4 + HCl

HCl + MnO2 → MnCl2 + Cl2 + H2O

Cl2 + NaOH → NaCl + NaClO + H2O

để e lên lớp 8 đã

Đăng tầm 11 -> 12 h đêm mới có ng giúp :))

SO2 + H2S → S + H2O

H2S + HNO3 → H2SO4 + NO2 + H2O

H2SO4 + BaCl2 → BaSO4 + HCl

HCl + MnO2 → MnCl2 + Cl2 + H2O

Cl2 + NaOH → NaCl + NaClO + H2O

\(2NaOH+Cl_2\rightarrow NaCl+NaClO+H_2O\)

\(H_2S+4Br_2+4H_2O\rightarrow8HBr+H_2SO_4\)

\(NaCl+AgNO_3\rightarrow AgCl+NaNO_3\)

$2NaOH + Cl_2 \to NaCl + NaClO + H_2O$

$H_2S + 4Br_2 + 4H_2O \to 8HBr + H_2SO_4$

$NaCl + AgNO_3 \to AgCl + NaNO_3$

\(1,CH_4+Cl_2\underrightarrow{\text{ánh sáng}}CH_3Cl\\ 2,C_6H_6+Br_2\xrightarrow[t^o]{Fe}C_6H_5Br\\ 3,C_6H_6+Cl_2\underrightarrow{\text{ánh sáng}}C_6H_5Cl\\ 4,2CH_3COOH+CaCO_3\rightarrow\left(CH_3COO\right)_2Ca+CO_2\uparrow+H_2O\\ 5,\left(RCOO\right)_3C_3H_5+3NaOH\rightarrow3RCOONa+C_3H_5\left(OH\right)_3\\ 6,CaCO_3+CO_2+H_2O\rightarrow Ca\left(HCO_3\right)_2\\ 7,2NaHCO_3\underrightarrow{t^o}Na_2CO_3+CO_2\uparrow+H_2O\\ 8,NaOH+SiO_2\underrightarrow{t^o}Na_2SiO_3+H_2O\)

\(9,NaHCO_3+HCl\rightarrow NaCl+CO_2\uparrow+H_2O\\ 10,Cl_2+H_2O⇌HCl+HClO\\ 11,CH_3COOC_2H_5+NaOH\rightarrow CH_3COONa+C_2H_5OH\\ 12,C_6H_6+3H_2\xrightarrow[t^o]{Ni}C_6H_{12}\\ 13,\left(RCOO\right)_3C_3H_5+3H_2O\rightarrow3RCOOH+C_3H_5\left(OH\right)_3\\ 14,\left(-C_6H_{10}O_5-\right)_n+nH_2O\rightarrow nC_6H_{12}O_6\\ 15,CH_3COONa+NaOH\underrightarrow{t^o}CH_4\uparrow+Na_2CO_3\\16, Ca\left(HCO_3\right)\underrightarrow{t^o}CaCO_3+CO_2\uparrow+H_2O\)

\(17,MnO_2+4HCl\rightarrow MnCl_2+Cl_2\uparrow+2H_2O\\ 18,NaHCO_3+NaOH\rightarrow Na_2CO_3+H_2O\\ 19,2C_4H_{10}+5O_2\xrightarrow[men,xt]{t^o}4CH_3COOH+2H_2O\\ 20,2NaOH+Cl_2\rightarrow NaCl+NaClO+H_2O\\ 21,CH_3COOC_2H_5+H_2O\underrightarrow{t^o}CH_3COOH+C_2H_5OH\)

a) 2FeCl₂ + Cl₂ \(\underrightarrow{to}\) 2FeCl₃

b) Al₂O₃ + 6HCl → 2AlCl₃ + 3H₂O

c) 3KOH + H₃PO₄ → K₃PO₄ + 3H₂O

d) 4CO + Fe₃O₄ \(\underrightarrow{to}\) 3Fe + 4CO₂

e) 3Cl₂ + 6KOH → 5KCl + KClO₃ + 3H₂O

g) 4Zn + 5H₂SO₄ → 4ZnSO₄ + H₂S + 4H₂O

a) 2FeCl₂ + Cl₂ \(\rightarrow\) 2FeCl₃

b) Al₂O₃ + 6HCl \(\rightarrow\) 2AlCl₃ + 3H₂O

c) 3KOH + H₃PO₄ \(\rightarrow\) K₃PO₄ + 3H₂O

d) 4CO + Fe₃O₄ \(\rightarrow\) 3Fe + 4CO₂

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

g) 4Zn + 5H₂SO₄ \(\rightarrow\) 4ZnSO₄ + H₂S + 4H₂O

a) SO₂ + Na₂O -> Na₂SO₃

Na₂SO₃ + H₂SO₄ -> Na₂SO₄ + SO₂ + H₂O

Na₂SO₄ + Ba(OH)₂ -> BaSO₄ \(\downarrow\)+ 2NaOH

2NaOH + CO₂ -> Na₂CO₃ + H₂O

b) CaO + CO₂ -> CaCO₃

CaCO₃ \(\rightarrow^{t^o}\) CaO + CO₂

CaO + H₂O -> Ca ( OH)₂

Ca ( OH)₂ + CO₂ -> CaCO₃ + H₂O

CaCO₃ + H₂SO₄ -> CaSO₄ + CO₂ + H₂O

c) 2Fe + 3Cl₂ \(\rightarrow^{t^o}\) 2FeCl₃

FeCl₃ + 3NaOH -> Fe(OH)₃ \(\downarrow\) + 3NaCl

2Fe(OH)₃ \(\rightarrow^{t^o}\) Fe₂O₃ + 3H₂O

Fe₂O₃ + 3H₂SO₄ -> Fe₂(SO₄)₃ + 3H₂O

Fe₂(SO₄)₃ + 3BaCl₂ -> 2FeCl₃ + 3BaSO₄\(\downarrow\)

d) Fe + 2HCl -> FeCl₂ + H₂

FeCl₂ + 2AgNO₃ -> 2AgCl\(\downarrow\) + Fe(NO₃)₂

Fe(NO₃)₂ + 2NaOH -> Fe(OH)₂\(\downarrow\) + 2NaNO₃

Fe(OH)₂ + H₂SO₄ -> FeSO₄ + 2H₂O

a, SO₂ + 2NaOH \(\rightarrow\)Na₂SO₃ + H₂O

Na₂SO₃ + H₂SO₄ \(\rightarrow\)Na₂SO₄ + H₂O + SO₂

Na₂SO₄ + Ba(OH)₂\(\rightarrow\) BaSO₄+ 2 NaOH

CO₂ + 2 NaOH \(\rightarrow\)Na₂CO₃ + H₂O

b, CaO + CO₂\(\rightarrow\) CaCO₃

CaCO₃ -t⁰-> CaO + CO₂

CaO + H₂O \(\rightarrow\)Ca(OH)₂

Ca(OH)₂ + CO₂ \(\rightarrow\)CaCO₃ + H₂O

CaCO₃ + H₂SO₄ \(\rightarrow\)CaSO₄ + H₂O + CO₂

c, 2Fe + 3Cl₂ -t⁰-> 2FeCl₃

FeCl₃ + 3NaOH \(\rightarrow\)Fe(OH)₃ + 3NaCl

2Fe(OH)₃ -t⁰-> Fe₂O₃ + 3H₂O

Fe₂O₃ + 3H₂SO₄ \(\rightarrow\)Fe₂(SO4)₃ + 3H₂O

Fe₂(SO4)₃ + 3BaCl₂ \(\rightarrow\)2FeCl₃ + 3BaSO₄

d, Fe + 2HCl \(\rightarrow\)FeCl₂ + H₂

FeCl_{2 +} 2AgNO₃ \(\rightarrow\)Fe(NO₃)₂ + 2AgCl

Fe(NO₃)₂ + 2NaOH \(\rightarrow\)Fe(OH)₂ + 2NaNO₃

Fe(OH)₂ + H₂SO₄\(\rightarrow\) FeSO₄ + 2H₂O

e, 2Cu + O₂ -t⁰-> 2CuO

CuO + 2HCl \(\rightarrow\)CuCl₂ + H₂O

CuCl₂ + 2NaOH\(\rightarrow\) Cu(OH)₂ + 2NaCl

Cu(OH)₂ -t⁰-> CuO + H₂O

CuO + H₂ -t⁰-> Cu + H₂O

Cu + 2H₂SO_4đặc \(\rightarrow\)CuSO₄ + SO₂ + 2H₂O

f, 2Al₂O₃ -đpnc/ criolit-> 4Al + 3O₂

2Al + 3Cl₂ -t⁰-> 2AlCl₃

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

2NaCl + 2H₂O -đpmn-> 2NaOH + Cl₂ + H₂

2NaOH + CuCl₂ \(\rightarrow\)Cu(OH)₂ + 2NaCl