M2CO3+HNO3=>CO2+M(NO3)n+
N2O+H2O. Giúp mik vs mik cảm ơn nhìu
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N
4 tháng 8 2019
Hoàn thành các PTHH sau:
1. 6FeCO3+ 10H2SO4 ----> 3Fe2(SO4)3 + S + 6CO2 + 10H2O
2. 8Fe3O4+ 74HNO3 ---> 24Fe(NO3)3+ N2O+ 37H2O
3. 8Al +30HNO3 ----> 8Al(NO3)3+ 3N2O+ 15H2O
Bài gì mà khó thế này ! :(( Hicc...
3 tháng 12 2019
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
LT
3 tháng 12 2019
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.
6 tháng 8 2021
a) 3M + 4nHNO3 → 3M(NO3)n + nNO + 2nH2O
b) 2M + 2nH2SO4 → M2(SO4)n + nSO2 + 2nH2O
c) 8M + 30HNO3 → 8M(NO3)3 + 3N2O + 15H2O
d) 8M + 10nHNO3 → 8M(NO3)n + nN2O + 5nH2O
e) (5x−2y)Fe + (15x−3y)HNO3 → (5x−2y)Fe(NO3)3 + 3NxOy + (15x−3y/2)H2O
LL
29 tháng 10 2018
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)\(\left(5x-2y\right)Fe+\left(15x-3y\right)HNO_3-->\left(5x-2y\right)Fe\left(NO_3\right)_3+3N_xO_y+\left(\dfrac{15x-3y}{2}\right)H_2O\)
LL
29 tháng 10 2018
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)\(2Fe_xO_y+2yH_2SO_4-->xFe_2\left(SO_4\right)_{\dfrac{2y}{x}}+2yH_2O\)
H
11 tháng 3 2021
\(1\\ FeS \to Fe^{3+} + S^{+6} + 9e\\ N^{+5} \to N^{+4} + 1e\\ FeS + 12HNO_3 \to Fe(NO_3)_3 + H_2SO_4 + 9NO_2 + 5H_2O\)
\(2\\ M^0 \to M^{+3} + 3e\\ N^{+5} + 3e \to N^{+2}\\ M + 4HNO_3 \to M(NO_3)_3 + NO + 2H_2O\)
\(xM^{\dfrac{2y}{x}} \to xM^{+n} + (xn-2y)e\\ S^{+6} + 2e \to S^{+4} \\ S^{+6} + 8e \to S^{-2}\\ 10M_xO_y + (5n+2xn-4y)H_2SO_4 \to 5xM_2(SO_4)_n + (xn-2y)SO_2 + (xn-2y)H_2S +(5n+xn-2y) H_2O\)
28 tháng 7 2021
1. \(C_nH_{2n}+\frac{3n}{2}O_2\rightarrow nCO_2+nH_2O\)
2.\(C_nH_{2n}+3N+\frac{3n}{2}O_2\rightarrow nCO_2+nH_2O+\frac{3}{2}N_2\)
3.\(C_nH_{2n}+2O+\frac{3n-2}{2}O_2\rightarrow nCO_2+nH_2O\)
4.\(Fe+CuSO_4\rightarrow FeSO_4+H_2O\)(Phương trình lỗi rồi)
5.\(Al\left(NO_3\right)_3\rightarrow Fe_2O_3+NO_2+O_2\)(Lỗi tiếp)
6.\(3Fe_3O_4+8Al\rightarrow4Al_2O_3+9Fe\)
7.\(3Fe_xO_y+2yAl\rightarrow3xFe+yAl_2O_3\)
