BaO+H2O--->Ba(OH)2

SO2+Ba(OH)2--->BaSO3+H2O

H2SO4+BaCl2--->BaSO4+2HCl

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

Fe+2HCl--->FeCl2+H2

6NaOH+Al2(SO4)3--->2Al(OH)3+3Na2SO4

BaO+CO2--->BaCO3

Fe(OH)3+3HCl--->FeCl3+3H2O

Mg(OH)2--->MgO+H2O

Fe3O4+8HCl--->FeCl2+2FeCl3+4H2O

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

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

2NaOH+CO2--->Na2CO3+H2O

Na2CO3+2HCl--->2NaCl+CO2+H2O

Na2SO4+BaCl2--->BaSO4+2NaCl

CaCO3--->CaO+CO2

2NaOH+2Al+2H2O--->2NaAlO2+3H2

NaCl+AgNO3--->AgCl+NaNO3

2NaOH+Al2O3--->2NaAlO2+H2O

Fe+2AgNO3--->Fe(NO3)2+2Ag

(NH4)2SO4+2NaOH--->Na2SO4+2NH3+2H2O

Al(OH)3+NaOH--->NaAlO2+2H2O
2NaOH+Zn(OH)2--->Na2ZnO2+2H2O

Na2SO3+2HCl--->2NaCl+SO2+H2O

cac bạn ơi dấu bằng ong rồi cách ra làm cái khác nhé ình viết sai

chỉ có phần chất tham gia phản ứng thôi

a) $2Al(OH)_3 \xrightarrow{t^o} Al_2O_3 + 3H_2O$

b) $Fe + 2AgNO_3 \to Fe(NO_3)_2 + 2Ag$

c) $FeCl_3 + 3NaOH \to Fe(OH)_3 + 3NaCl$
d) $2K + 2H_2O \to 2KOH + H_2$

Đáp án D

D. Cu(OH)2, Al(OH)3, Mg(OH)2, NaOH.

a)

4Al + 3O2\(\rightarrow\) 2Al2O3

Al2O3 +6HNO3\(\rightarrow\) 2Al(NO3)3 + 3H2O

Al(NO3)3 + 3NaOH \(\rightarrow\)Al(OH)3 + 3NaNO3

2Al(OH)3 \(\underrightarrow{^{to}}\) Al2O3 + 3H2O

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

AlCl3 không điện phân nóng chảy được \(\rightarrow\) Al2O3 \(\underrightarrow{^{\text{đpnc}}}\)2Al + \(\frac{3}{2}\)O2

b) 2Fe + 3Cl2 \(\rightarrow\) 2FeCl3

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

2Fe(OH)3\(\rightarrow\)Fe2O3 + 3H2O

Fe2O3 + 3CO \(\rightarrow\)2Fe + 3CO2

Fe + 2HCl\(\rightarrow\) FeCl2 + 2

FeCl2 + 2AgNO3\(\rightarrow\)Fe(NO3)2 + 2AgCl (thường ra Fe⁺³ )

c) 2Mg + O2\(\rightarrow\)2MgO

MgO + 2HCl \(\rightarrow\) MgCl2 + H2O

MgCl2 + 2NaOH \(\rightarrow\) Mg(OH)2 + 2NaCl

Mg(OH)2 + H2SO4 \(\rightarrow\)MgSO4 + 2H2O

MgSO4 + BaCl2 \(\rightarrow\) MgCl2 + BaSO4

d) Cu(OH)2\(\underrightarrow{^{to}}\) CuO + H2O

CuO + H2SO4\(\rightarrow\)CuSo4 + H2O

CuSO4 + BaCl2 \(\rightarrow\) BaSO4 + CuCl2

CuCl2 + 2AgNO3 \(\rightarrow\) Cu(NO3)2 + 2AgCl

Fe + Cu(NO3)2\(\rightarrow\) Fe(NO3)2 + Cu

Cu + \(\frac{1}{2}\)O2 \(\rightarrow\) CuO

e) 4Na + O2\(\rightarrow\) 2Na2O

Na2O + H2O \(\rightarrow\) 2NaOH

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

Na2CO3 + H2SO4\(\rightarrow\) Na2SO4 + CO2 + H2O

Na2SO4 + BaCl2 \(\rightarrow\)BaSO4 + 2NaCl

NaCl + AgNO3\(\rightarrow\) AgCl + NaNO3

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

2Fe + 3Cl2 \(\rightarrow\)2FeCl3

FeCl3 + 3AgNO3 \(\rightarrow\) Fe(NO3)3 +3AgCl

Fe(NO3)3 + 3NaOH \(\rightarrow\) Fe(OH)3 + 3NaNO3

Lần sau đăng tách riêng ra nhé

Nhìn rối mắt lắm

a) Al -> Al₂O₃-> Al(NO₃)₃-> Al(OH)₃ -> Al₂O₃ -> AlCl₃ -> Al

(1) 2A1 + O₂ Al₂O₃

(2) Al₂O₃ + 6HCl → 2AlCl₃ + 3H₂O

(3) Al(NO₃)₃ + 3NaOH (vừa đủ) → 3NaNO₃ + Al (OH)₃

(4) 2Al(OH)₃ Al₂O₃+ ЗН₂О

(5) 2Al₂O₃ 4Al + 3O₂

(6) 2Al + 3Cl₂ 2AlCl₃

b) Fe -> FeCl₃ -> Fe(OH)₃ -> Fe₂O₃-> Fe -> FeCl₂ -> Fe(NO₃)₃

(1) 2Fe + 3Cl₂ → 2FeCl₃

(2) FeCl₃ + 3NaOH → 3NaCl + Fe(OH)₃

(3) 2Fe(OH)₃ → Fe₂O₃ + 3H₂O

(4) Fe₂O₃ + H₂→ Fe + H₂O

(5) 3Fe + 2HCl → 2FeCl₂ +H_2↑

(6) Fe(NO₃)₃+3NaOH ➞Fe(OH)₃ +3Na(NO₃)

dài wá mình trả lời những câu còn lại sau : thông cảm cho mk nha❗❕

D

1) 2Mg + O₂ -^to-➢ 2MgO

2) 2K + 2H₂O → 2KOH + H₂

3) 2NaOH + CuCl₂ → 2NaCl + Cu(OH)₂

4) 2Fe + 3Cl₂ -^to-➢ 2FeCl₃

5) 6KOH + Al₂(SO₄)₃ → 3K₂SO₄ + 2Al(OH)₃

6) 3Ca(OH)₂ + 2H₃PO₄ → Ca₃(PO₄)₂ + 6H₂O

a) 2Mg + O₂ → 2MgO

b) 2K + 2H₂O → 2KOH + H₂

c) 2NaOH + CuCl₂ → 2NaCl + Cu(OH)₂↓

d) 2Fe + 3Cl₂ → 2FeCl₃

e) 6KOH + Al₂(SO₄)₃ → 3K₂SO₄ + 2Al(OH)₃↓

f) 3Ca(OH)₂ + 2H₃PO₄ → Ca₃(PO₄)₂ + 6H₂O

D

D

D