Question

Cân bằng pt

4. AL + HNO3 -------> AL(NO3)3 + NxOy +H2O

5. M + H2SO4--------> M2(SO4)n + SO2 + H2O

6. M + HNO3 --------> M(NO3)n + NxOy + H2O

7. Zn + HNO3 -------> Zn( NO3)2 + NO + N2O + H2O . Biết tỉ lệ ( NO : N2O= 1:2)

8. AL + HNO3 -------;> AL( NO3)3 + N2 + N2O + H2O . Biết tỉ lệ ( N2 : N2O =2:1)

9. FeSO4 + KMnO4 + KHSO4 ---> Fe2(SO4)3 + K2SO4 + MnSO4 + H2O.

Answer 1

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

Answer 2

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.