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

[nice_vk]

Na + C2H5OH -> C2H5ONa + H2
..............................................

CuO + H2 -----> Cu + H2O_______________________________

 

[phankyanhls2000]

Cu+FeCl3--->FeCl2+CuCl2
..........................................

 

[hien_vuthithanh]

Cu+FeCl3--->FeCl2+CuCl2
..........................................

$2FeCl_2 + Cl_2 ---------> 2FeCl_3 $

 

[chungthuychung]

$FeCl_3+NaOH----------------------->Fe(OH)_3+NaCl$
----------------------------------------------------------------------

 

[hien_vuthithanh]

$FeCl_3+NaOH----------------------->Fe(OH)_3+NaCl$
----------------------------------------------------------------------

$2Fe(OH)_3 ----t^o------> Fe_2O_3 + 3H_2O $

 

[chungthuychung]

$Fe_2O_3+CO-----to---------->Fe+CO_2$
----------------------------------------------------------

 

[hien_vuthithanh]

$Fe_2O_3+CO-----to---------->Fe+CO_2$
----------------------------------------------------------

$CO_2 + H_2O \leftrightharpoons H_2CO_3 $

 

[nom1]

$CO_2 + H_2O \leftrightharpoons H_2CO_3 $

H2CO3 <-t-> H2O + CO2
...................................

 

[nice_vk]

H2CO3 <-t-> H2O + CO2
...................................

CO2 + Ba(OH)2 --> BaCO3 + H2O
-----------------------------------------------------------------------------

 

[phankyanhls2000]

BaCO3--to-->BaO+CO2
.....................................

 

[nice_vk]

BaO + H2SO4 ----> BaSO4 + H2O----------------------------------------------------------

 

[chungthuychung]

$H_2O+BaO-------------->Ba(OH)_2$
------------------------------------------------------

 

[quynhphamdq]

[tex]Al + 2H_2 O + Ba(OH)_2 --> 2H_2 + Ba(AlO_2)_2[/tex]
____________________________________

 

[tien_thientai]

H2+CuO--->Cu+H2O
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 

[quynhphamdq]

$Cu + Cl_2 ---> CuCl_2$_________________________________________

 

[tien_thientai]

H2S + CuCl2 ---> CuS + 2HCl
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 

[quynhphamdq]

$2HCl + Ba(OH)2 ---> BaCl2 + 2H2O$__________________________________________________

 

[tien_thientai]

BaCl2 + H2SO4 ---> BaSO4 + 2HCl
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 

[quynhphamdq]

$2Al + 6HCl ----> 2AlCl_3 + 3H_2$________________________________

 

[hien_vuthithanh]

$2al + 6hcl ----> 2alcl_3 + 3h_2$________________________________

$2h_2 + o_2 ----------> 2h_2o $