$\color{Red}{\fbox{★Hóa 9★}}\color{Magenta}{\fbox{game nối chuỗi phản ứng VER.4}}$

[lp_qt]

$SO_2 + 2H_2S \rightarrow 3S+2H_2O$

 

[nom1]

$SO_2 + 2H_2S \rightarrow 3S+2H_2O$

S + O2 -to-> SO2
................................................

 

[phankyanhls2000]

SO2+O2--to,V2O5-->SO3
........................................

 

[hien_vuthithanh]

so2+o2--to,v2o5-->so3
........................................

$so_3 + h_2o ------------------> h_2so_4 $

 

[phankyanhls2000]

H2SO4+Fe--->FeSO4+H2
........................................

 

[chungthuychung]

$H_2+CuO------->Cu+H_2O$
---------------------------------------------------------

 

[phankyanhls2000]

Cu+H2SO4(đặc)--->CuSO4+SO2+H2O
.............................................................

 

[chungthuychung]

$SO_2+O_2----------V_2O_5, to--->SO_3$
-----------------------------------------------------------

 

[tien_thientai]

So3 + h2o---> h2so4
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 

[quynhphamdq]

Fe + H2SO4 ----> FeSO4 + H2_____________________________________________________

 

[tien_thientai]

H2+PbO--->Pb+H2O
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 

[quynhphamdq]

2H2O -dp-> 2H2 + O2____________________________________________________________

 

[tien_thientai]

2no + o2--->2no2
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 

[phankyanhls2000]

No2+o2+h2o--->hno3
......................................

 

[tien_thientai]

3Cu + 8HNO3 ----> 3Cu(NO3)2 + 2NO +4H2O
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 

[phankyanhls2000]

No+o2--->no2
.........................
.........................

 

[tien_thientai]

2NaOH + 2NO2--->H2O + NaNO2 + NaNO3
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 

[nom1]

No+o2--->no2
.........................
.........................

NO2 + K -to phòng-> KNO2
.......................................

 

[phankyanhls2000]

Kno2+o2--->kno3
...............................
...............................

 

[nom1]

Kno2+o2--->kno3
...............................
...............................

2KNO3 -to-> 2KNO2 + O2
................................................