\(1.Fe_3O_4+4H_2\underrightarrow{t^o>570}3Fe+4H_2O\)

2. \(Fe\left(OH\right)_3+3HCl\rightarrow FeCl_3+3H_2O\)

3. \(2CO+O_2\underrightarrow{t^o}2CO_2\uparrow\)

4. \(Na+\dfrac{1}{2}Cl_2\underrightarrow{t^o}NaCl\)

5. \(2AgNO_3\underrightarrow{t^o}2Ag+2NO_2\uparrow+O_2\uparrow\)

6. \(2Fe+3I_2\rightarrow2FeI_3\)

7. \(4Fe_xO_y+\left(3x-2y\right)O_2\rightarrow2xFe_2O_3\)

8. \(xFe_2O_3+\left(3x-2y\right)H_2\rightarrow2Fe_xO_y+\left(3x-2y\right)H_2O\)

9. \(M_xO_y+2yHCl\rightarrow xMCl_{\dfrac{2y}{x}}+yH_2O\)

\(1,Fe_3O_4+3H_2\rightarrow3Fe+3H_2O\)

\(2,Fe\left(OH\right)_3+3HCl\rightarrow FeCl_3+3H_2O\)

\(3,2CO+O_2\rightarrow2CO_2\)

\(4,2Na+Cl_2\rightarrow2NaCl\)

\(5,2AgNO_3\rightarrow2Ag+2NO_2+O_2\)

\(6,2Fe+3I_2\rightarrow2FeI_3\)

\(7,2Fe_xO_y+\left(x-2y\right)O_2\rightarrow xFe_2O_2\)

\(8,Fe_2O_3+\left(3-\dfrac{2y}{x}\right)H_2\rightarrow\dfrac{2}{x}Fe_xO_y+\left(3-\dfrac{2y}{x}\right)H_2O\)\(9,M_xO_y+2yHCl\rightarrow xMCl_{\dfrac{2y}{x}}+yH_2O\)

\(10,C_xH_y\left(COOH\right)_2+\dfrac{2-4x+y}{4}O_2\rightarrow\left(x+2\right)CO_2+\dfrac{y+2}{2}H_2O\)

a.

xFe₂O₃ + (3x-2y) → 2Fe_xO_y + (3x-2y)H₂O

a/ xFe₂O₃ +(3x - 2y)H₂ ===> 2Fe_xO_y +(3y - 2x)H₂O

b/ 2nFe_xO_y +(yn - xm) + O₂ ===> 2xFe_nO_m

4FeS₂+11O₂\(\overset{t^0}{\rightarrow}Fe_2O_3+8SO_2\)

4FeS+7O₂\(\overset{t^0}{\rightarrow}2Fe_2O_3+4SO_2\)

2Fe_xO_y+2yH₂SO₄\(\rightarrow\)xFe₂(SO₄)_2y/x+yH₂O

2KMnO₄+16HCl\(\rightarrow\)2MnCl₂+5Cl₂+2KCl+8H₂O

3Fe₃O₄+8Al\(\overset{t^0}{\rightarrow}4Al_2O_3+9Fe\)

1) 2C₂H₆ + 7O₂ ---> 4CO₂ + 6H₂O

2) 2C₆H₆ + 15O₂ ---> 12CO₂ + 6H₂O

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

4) Fe₂O₃ + 3CO ---> 2Fe + 3CO₂

5) Fe₃O₄ + 4CO ---> 3Fe + 4CO₂

6) 4FeO + O₂ ---> 2Fe₂O₃

7) 4Fe₃O₄ + O₂ ---> 6Fe₂O₃

8) 2Mg(NO₃)₂ ---> 2MgO + 4NO₂ + 4O₂

9) 4Fe(NO₃)₃ ---> 2Fe₂O₃ + 12NO₂ + 3O₂

10) 4NO₂ + O₂ + 4H₂O ---> 4HNO₃

11) 4Fe(OH)₂ + O₂ + 2H₂O ---> 4Fe(OH)₃

12) S + 2H₂SO₄ ---> 3SO₂ + 2H₂O

13) 3AgNO₃ + 2H₂O ---> 3Ag + 4HNO₃ + O₂

14) FexOy + HCl ---> FeCl2y/x + H2O

FeO + 2HCl ----> FeCl₂ + H₂O

1. xFe₂O₃ + ( 3x - 2y) H₂ -> 2Fe_xO_y + ( 3x - 2y ) H₂O

2 . Fe_xO_y + ( x - y ) CO -> xFeO + ( x - y )CO₂

3 . 8Al + 30HNO₃ -> 8Al(NO₃)₃ + 3N₂O + 15H₂O

1. xFe₂O₃ + (3x-2y)H₂ \(\rightarrow\) 2Fe_xO_y + (3x-2y)H₂O

2. Fe_xO_y + yCO \(\rightarrow\) xFeO + yCO₂

3. 8Al + 30HNO₃ \(\rightarrow\)8Al(NO₃)₃ + 3N₂O + 15H₂O

a)C_xH_y+(x+\(\dfrac{y}{4}\))O₂->xCO₂+\(\dfrac{y}{2}\)H₂O

b)C_xH_yO_z+(x+\(\dfrac{y}{4}\)-\(\dfrac{z}{2}\))O₂->xCO₂+\(\dfrac{y}{2}\)H₂O

c)Fe_xO_y+yCO->xFe+yCO₂

d)Fe₃O₄+8HCl->FeCl₂+2FeCl₃+4H₂O

a)2C_xH_y+(4x+y)O₂->xCO₂+2yH₂O

b)C_xH_yO_z+(x+\(\dfrac{y}{4}\)-\(\dfrac{z}{2}\))O₂->xCO₂+\(\dfrac{y}{2}\)H₂O

c)Fe_xO_y+yCO->xFe+yCO₂

d)Fe₃O₄+8HCl->FeCl₂+2FeCl₃+4H₂O

\(C_xH_yO_z\)+\(\left(x+\frac{y}{4}-\frac{z}{2}\right)O_2\)---->\(xCO_2+\frac{y}{2}H_2O\)

\(xFe_2O_3+\left(3x-2y\right)CO\)---->\(2Fe_xO_y+\left(3x-2y\right)CO_2\)

\(Cu+4HNO_3\)---->\(Cu\left(NO_3\right)_2+2H_2O+2NO_2\)

\(Fe_xO_y+2yHCl\)---->\(xFe_xCl_{2\frac{y}{z}}+yH_2O\)

\(4FeS_2+11O_2\)---->\(2Fe_2O_3+8SO_2\)

cảm ơn bạn

kink nhỉ!!

1) 3Ca (OH)2 + 2H3PO4 ---> Ca3(PO4)2 + 6H2O

2) 2Fe (OH)3 ---> Fe2O3 + 3H2O

3) 2CxHy + \(\left(\frac{4x+y}{2}\right)\)O2 ---> 2xCO2 + yH2O

4) P2O5 + 3H2O ---> 2H3PO4

5) Fe3O4 + 4CO ---> 3Fe + 4CO2

6) 3KOH + H3PO4 ---> K3PO4 + 3H2O

7) 2K3PO4 + 3Ba(NO3)2--->Ba3(PO4)2 +6KNO3

8) 3Na2O + P2O5 ---> 2Na3PO4

9) FexOy + yCO ---> xFe + yCO2

10) Fe3PO4 + H2SO4 ---> FeSO4 + Fe2(SO4)3 + H2O(bạn xem lại pt này nehs..đề sai rồi)

11) Fe3O4 +8HCL ---> 2FeCl3 + FeCl2 + 4H2O

10Fe + 36HNO3 → 10Fe(NO3)3 + 3N2 + H2O

3Mg + 8HNO3 →3 Mg(NO3)2 +2NO+4 H2O

FexOy + (y-x)H2 → xFeO + (y-x)H2O

CxHyOz +( x +\(\dfrac{y}{4}\)-\(\dfrac{z}{2}\) )O2 → xCO2 + \(\dfrac{y}{2}\)H2O

10Fe+36HNO₃\(\rightarrow\)10Fe(NO₃)₃+3N₂+18H₂O

3Mg+8HNO₃\(\rightarrow\)3Mg(NO₃)₂+2NO+4H₂O

Fe_xO_y+(y-x)H₂\(\rightarrow\)xFeO+(y-x)H₂O

C_xH_yO_z+(\(x+\dfrac{y}{4}-\dfrac{z}{2}\))O₂\(\rightarrow\)xCO₂+\(\dfrac{y}{2}H_2O\)