\(1\\ FeS \to Fe^{3+} + S^{+6} + 9e\\ N^{+5} \to N^{+4} + 1e\\ FeS + 12HNO_3 \to Fe(NO_3)_3 + H_2SO_4 + 9NO_2 + 5H_2O\)

\(2\\ M^0 \to M^{+3} + 3e\\ N^{+5} + 3e \to N^{+2}\\ M + 4HNO_3 \to M(NO_3)_3 + NO + 2H_2O\)

\(xM^{\dfrac{2y}{x}} \to xM^{+n} + (xn-2y)e\\ S^{+6} + 2e \to S^{+4} \\ S^{+6} + 8e \to S^{-2}\\ 10M_xO_y + (5n+2xn-4y)H_2SO_4 \to 5xM_2(SO_4)_n + (xn-2y)SO_2 + (xn-2y)H_2S +(5n+xn-2y) H_2O\)

a) → 

b) →

c) → 

d) → 

e) (5x−2y)Fe(NO₃)₃ + 3N_xO_y + (15x−3y/2)H₂O

a)\(3M+4nHNO_3-->3M\left(NO_3\right)_n+nNO+2nH_2O\)

b)

\(2M+2nH_2SO_4-->M_2\left(SO_4\right)_n+nSO_2+2nH_2O\)

c)

\(8M+30HNO_3-->8M\left(NO_3\right)_3+3N_2O+15H_2O\)

d)

\(8M+10nHNO_3-->8M\left(NO_3\right)_n+nN_2O+5nH_2O\)

e)\(\left(5x-2y\right)Fe+\left(15x-3y\right)HNO_3-->\left(5x-2y\right)Fe\left(NO_3\right)_3+3N_xO_y+\left(\dfrac{15x-3y}{2}\right)H_2O\)

f) \(3Fe_xO_y+\left(6x+2y\right)HNO_3-->3xFe\left(NO_3\right)_3+\left(2y-3x\right)NO+\left(3x+y\right)H_2O\)

g)\(Fe_xO_y+\left(6x-2y\right)HNO_3-->xFe\left(NO_3\right)_3+\left(3x-2y\right)NO_2+\left(3x-y\right)H_2O\) h)\(Fe_xO_y+2yHCl-->xFeCl_{\dfrac{2y}{x}}+yH_2O\)

i)\(2Fe_xO_y+2yH_2SO_4-->xFe_2\left(SO_4\right)_{\dfrac{2y}{x}}+2yH_2O\)

1.Al\(\rightarrow\)Al+3 +3e_______________.(5x-2y)

xN⁺⁵ +(5x-2y)e\(\rightarrow\)xN+\(\frac{2y}{x}\)______.3

\(\rightarrow\)(5x-2y)Al+(18x-6y)HNO3\(\rightarrow\)(5x-2y)Al(NO3)3+3NxOy+(9x-3y)H2O

2.M\(\rightarrow\)M⁺ⁿ +ne____.2

S⁺⁶ +2e\(\rightarrow\)S⁺⁴_____.n

\(\rightarrow\)2M+3nH2SO4\(\rightarrow\)2M(SO4)n+nSO2+3nH2O

3.M\(\rightarrow\)M+n +ne__________.(5x-2y)

xN+5 +(5x-2y)e\(\rightarrow\)xN+\(\frac{2y}{x}\) ____.n

\(\rightarrow\)(5x-2y)M+(6nx-2ny)HNO3\(\rightarrow\)(5x-2y)M(NO3)n+nNxOy+(3nx-ny)H2O

N⁺⁵ +3e\(\rightarrow\)N⁺² __________.1

2N⁺⁵ +8e\(\rightarrow\)2N⁺¹_________ .2

\(\rightarrow\)5N⁺⁵ +19e\(\rightarrow\)N⁺² +4N⁺¹______ .2

Zn\(\rightarrow\)Zn⁺² +2e ____________ .19

\(\rightarrow\)19Zn+48HNO3\(\rightarrow\)19Zn(NO3)2+2NO+4N2O+24H2O

2N⁺⁵ +10e\(\rightarrow\)2N0 .2

2N⁺⁵+ 8e\(\rightarrow\)2N⁺¹ .1

\(\rightarrow\)6N+5 +28e\(\rightarrow\)4N0 +2N+1 .3

Al\(\rightarrow\)Al+3 +3e _________.28

\(\rightarrow\)28Al+102HNO3\(\rightarrow\)28Al(NO3)3+6N2+3N2O+51H2O

2Fe⁺² \(\rightarrow\)2Fe⁺³ +2e .5

Mn⁺⁷ +5e\(\rightarrow\)Mn⁺² .2

\(\rightarrow\)10FeSO4+2KMnO4+2KHSO4\(\rightarrow\)5Fe2(SO4)3+2MnSO4+2K2SO4+H2O

4. (5x-2y)AL + (18x-6y)HNO3 -------> (5x-2y)AL(NO3)3 + 3NxOy +(9x-3y)H2O

5. 2M + 2nH2SO4--------> M2(SO4)n + nSO2 + 2nH2O

6. (5x-2y)M + (6nx-2ny)HNO3 -------->(5x-2y) M(NO3)n +n NxOy + (3nx-ny)H2O

7. 11Zn + 28HNO3 -------> 11Zn( NO3)2 + 2NO + 2N2O + 14H2O

8. 46AL + 168HNO3 -------;> 46AL( NO3)3 + 9N2 + 6N2O + 84H2O

9. 10FeSO4 + 2KMnO4 + 16KHSO4 ---> 5Fe2(SO4)3 +9 K2SO4 + 2MnSO4 + 8H2O.

Câu a) bạn ghi lộn là Ca(HSO3)2 rồi kìa

a) aSO3+bCa(OH)2---->cCa(HSO4)2

S: a = 2c

O: 3a + 2b = 8c

Ca: b = c

H: 2b = 2c

Nếu a =1 => c = 0,5 => b = 0,5

Vậy PTHH là 2SO3+Ca(OH)2---->Ca(HSO4)2

( í bạn có phải dùng pp đại số như vầy ko vậy, nếu phải thì cứ làm như mình là đc, ra liền à, nếu vẫn chưa ra thì bạn xem lại PT của bạn đã cho sản phẩm đúng chưa nha, rồi làm lại)

a, PTHH này bạn ghi sai đề nha phải là

SO2 + Ca(OH)2 --> Ca(HSO3)2 ( mình cân bằng rồi )

b,giữ nguyên

c, K2CO3 + 2HCl --> 2KCl + H2O + CO2

d,giữ nguyên

e, 2Fe3O4 + 10H2SO4 --> 3 Fe2(SO4)3 + 10H2O + SO2

g, 3FeO + 10HNO3 --> 5H2O + NO+ 3Fe(NO3)3

h, 2R + 2nHCl --> 2RCln + nH2

i , 3FexOy + 2yAl-->yAl2O3 + 3xFe

k, 4R + 3O2--> 2R2O3

l, 2R + 3H2SO4 ---> R2(SO4)3 + 3H2

m , 2C3H8O + 9O--> 6CO2 + 8H2O

n, 3K + 4HNO3 --> 3KNO3 + NO + 2H2O

còn lại bạn tra google nha, mình mỏi tay lắm rồi

https://m.phuongtrinhhoahoc.com/

\(Fe_xO_y+yH_2\underrightarrow{^{^{t^0}}}xFe+yH_2O\)

\(Fe_xO_y+2yHCl\underrightarrow{^{^{t^0}}}xFeCl_{\dfrac{2y}{x}}+yH_2O\)

\(2Fe_xO_y+3yH_2SO_4\rightarrow xFe_2\left(SO_4\right)_3+3yH_2O\)

\(2M+2nH_2SO_4\rightarrow M_2\left(SO_4\right)_n+nSO_2+2nH_2O\)

\(3M+4nHNO_3\rightarrow3M\left(NO_3\right)_n+nNO+2nH_2O\)

Đề câu này hơi sai sai !