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

\(4K+O_2\rightarrow2K_2O\)

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

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

\(CaCl_2+Fe\left(OH\right)_3\rightarrow\) Không phản ứng

\(BaCl_2+H_2SO_4\rightarrow2HCl+BaSO_4\downarrow\)

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

1. \(2Al+3Fe\left(NO_3\right)_2\rightarrow2Al\left(NO_3\right)_3+3Fe\)

2. \(P_2O_5+3Ba\left(OH\right)_2\rightarrow Ba_3\left(PO_4\right)_2+3H_2O\)

3. \(Al\left(OH\right)_3+3HCl\rightarrow AlCl_3+3H_2O\)

4. \(Al_2\left(SO_4\right)_3+3Ca\left(OH\right)_2\rightarrow3CaSO_4+2Al\left(OH\right)_3\)

5. \(Fe_3O_4+8HCl\rightarrow FeCl_2+2FeCl_3+4H_2O\)

6. \(Mg\left(NO_3\right)_2\underrightarrow{t^o}MgO+2NO_2+\dfrac{1}{2}O_2\)

7. \(2xFe+yO_2\underrightarrow{t^o}2Fe_xO_y\)

8. \(CH_4+2O_2\underrightarrow{t^o}CO_2+2H_2O\)

9. \(C_2H_6O+3O_2\underrightarrow{t^o}2CO_2+3H_2O\)

Bạn tham khảo nhé!

\(1.Al+Fe\left(NO_3\right)_2--->Al\left(NO_3\right)_2+Fe\)

\(2.P_2O_5+3Ba\left(OH\right)_2--->Ba_3\left(PO_4\right)_2+3H_2O\)

\(3.Al\left(OH\right)_3+3HCl--->AlCl_3+3H_2O\)

\(4.Al_2\left(SO_4\right)_3+3Ca\left(OH\right)_2--->3CaSO_4+2Al\left(OH\right)_3\downarrow\)

\(5.Fe_3O_4+8HCl--->FeCl_2+2FeCl_3+4H_2O\)

\(6.2Mg\left(NO_3\right)_2\overset{t^o}{--->}2MgO+4NO_2+O_2\)

\(7.xFe+\dfrac{y}{2}O_2\overset{t^o}{--->}Fe_xO_y\)

\(8.CH_4+2O_2\overset{t^o}{--->}CO_2+2H_2O\)

\(9.C_2H_6O+3O_2\overset{t^o}{--->}2CO_2+3H_2O\)

1, 

1) 2H2O2-->2H2O+O2

2)3H2O2+KI-->KIO3+3H2O

3)2CH4-->C2H2+3H2

4)CaC2+2H2O-->Ca(OH)2+C2H2

5)2C6H6+15O2-->12CO2+6H2O

6)3Ba(OH)2+2H3 PO4-->Ba3(PO)4+6H2O

7)AL2O3+2NAOH-->2NaAlO2+H2O

8)2AL+2NAOH+2H2O-->2Na ALO2+3H2

9)3H2SO4+2AL(OH)3-->AL2(SO4)3+6H20

10)C2H5OH+3O2-->3CO2+2H2O

C1:

\(2KMnO_4\rightarrow K_2MnO_4+ MnO_2+O_2\)(tỉ lệ 2:1:1:1)

2Al(OH)\(_3\) + 3H\(_2\)SO\(_4\) → Al\(_2\)(SO4)\(_3\) + 6H2O(tỉ lệ 2:3:1:6)

\(4Na+O_2\rightarrow2Na_2O\)(tỉ lệ:4:1:2)

\(2Al+3Cl_2\rightarrow2AlCl_3\)(tỉ lệ:2:3:2)

\(2Fe\left(OH\right)_3\rightarrow Fe_2O_3+3H_2O\)(tỉ lệ:2:1:3)

\(Fe_2O_3+6HCl\rightarrow2FeCl_3+3H_2O\)(tỉ lệ 1:6:2:3)

\(4P+5O_2\rightarrow2P_2O_5\)(tỉ lệ:4:5:2)

\(Al_2O_3+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2O\)(tỉ lệ 1:3:1:3)

\(Cu+2AgNO_3\rightarrow Cu\left(NO_3\right)_2+2Ag\)(tỉ lệ :1:2:1)

C2/

a,

\(mFeO=0,07.72=5,04g\)

\(mNa_2SO_4=0,25.142=35,5g\)

\(mK_2SO_4=0,03.174=5,22g\)

\(mH_2SO_4=0,25.98=24,5g\)

C3/

a,

\(VO_{2_{đkt}}=1,25.24=30lit\)

\(VO_{2_{đktc}}=1,25.22,4=28lit\)

b,

\(VN_{2_{\left(đkt\right)}}=0,125.24=3lit\)

\(VN_{2_{\left(đktc\right)}}=0,125.22,4=2,8lit\)

1) 4K + O₂ → 2K₂O (4:1:2)

2) 2Al +3S→ Al₂S₃ (2:3:1)

3) 2SO₂ + O₂ → 2 SO₃ (2:1:2)

4)Fe₂O₃ + 6HNO₃ → 2Fe(NO₃)₃ + 3H₂O (1:6:2:3)

5)2K + 2H₂O → 2KOH + H₂ (2:2:2:1)

6) Al₂(SO₄)₃ + 6NaOH → 2Al(OH)₃ + 3Na₂SO₄ (1:6:2:3)

7) C₂H₆O + 3O₂ → 2CO₂ + 3H₂O (1:3:2:3)

8) 2FeCl₂ +3Cl₂ → 2FeCl₃  (2:3:2)

9) 4NO₂ + O₂ + 2H₂O → 4HNO₃ (4:1:2:4)

10) C_nH_2n + \(\dfrac{3n}{2}\)O₂ → nCO₂ + nH₂O (1:\(\dfrac{3n}{2}\):n:n)