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

[quynhphamdq]

H2O + KCl + CO2 -> HClO + KHCO3____________________________________

 

[thanhcong1594]

Ca(OH)2 +KHCO3 => CaCO3 +H2O +K2CO3_____________________________________________________________

 

[quynhphamdq]

H2o + k2co3 + co2 -> 2khco3_____________________________________________________

 

[thanhcong1594]

Khco3+koh->k2co3+h2o_________________________________________________________________________

 

[quynhphamdq]

2HCl + K2CO3 -> H2O + 2KCl + CO2______________________________

 

[thanhcong1594]

Ca(OH)2 + CO2 --> CaCO3+ H20____________________________________________________________________

 

[hien_vuthithanh]

Ca(OH)2 + CO2 --> CaCO3+ H20____________________________________________________________________

$CaCO_3 \overset{t^o}{\rightarrow} CaO + CO_2 $

 

[thanhcong1594]

CaO + 2HCl => H2O + CaCl2______________________________________________________________________

 

[hien_vuthithanh]

CaO + 2HCl => H2O + CaCl2______________________________________________________________________

$ CaCl_2+CO_2+H_2O----> CaCO_3 + 2HCl $

 

[phankyanhls2000]

$ CaCl_2+CO_2+H_2O----> CaCO_3 + 2HCl $

PT sai......................................................................

 

[thanhcong1594]

Sao bạn bik sai_______________________________________________________________________________________

 

[phankyanhls2000]

Chỉ pu ngược lại thôi.
Vì axit tạo thành phải yếu hơn hoặc dễ phân hủy hơn so với dc axit tham gia pu.
HCl là axit mạnh,H2CO3 yếu và dễ bay hơi nên chỉ pu ngược lại.

 

[lp_qt]

$H_2O +2KI +O_3 \rightarrow 2O_2 + 2KOH + I_2$

 

[phankyanhls2000]

O2+c2h5oh--->ch3cooh+h2o
...................................................

 

[thanhcong1594]

CH3COOH + C2H5OH --H2SO4 , to--><-- CH3COOC2H5 + H20 ___________________________________________

 

[nom1]

CH3COOH + C2H5OH --H2SO4 , to--><-- CH3COOC2H5 + H20 ___________________________________________

H2O + C12H22O11 -axit-> C6H12O6 + C6H12O6
.....................................................................

 

[phankyanhls2000]

C5H11O5-CHO+Cu(OH)2--->C5H11O5-COOH+Cu2O+H2O

p/s:lên gg thấy vậy)

 

[thanhcong1594]

2Na + 2H20 -->2NaOH + H2__________________________________________________________________________

 

[lp_qt]

$H_2 +S \rightarrow H_2S$

 

[thanhcong1594]

H2s + 4h2o2 -->so3 + 5h2o__________________________________________________________________________