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

[kagaminex]

$3CO+Fe_2O_3--t^o-->2Fe+3CO_2$
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[buivanbao123]

$Fe+H_2SO_4------->Fe_2(SO_4)_3+H_2$

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[kagaminex]

$H_2+CuO---t^o--->Cu+H_2O$
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[buivanbao123]

$Cu+H_2O---------->Cu(OH)_2$

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[kagaminex]

$Cu+H_2O---------->Cu(OH)_2$

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theo mình biết thì không có PTHH này $Cu$ không tác dụng với $H_2O$ ở đk thường đâu
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[lisel]

Cu(OH)2 + NH3 =====> [Cu(NH3)4](OH)2>->->->->->-

 

[kobato_2509]

$H_2+CuO---t^o--->Cu+H_2O$
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$Cu + 2HCl \rightarrow CuCl_2 + H_2$
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[buivanbao123]

$CuCL_2+AgNO_3------------->AgCL+Cu(NO_3)_2$

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[kobato_2509]

$Cu(NO_3)_2 ===> 2CuO + 4NO_2 + O_2$
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[kagaminex]

$O_2+2H_2---t^o--->2H_2O$
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[buivanbao123]

$H_2O+Na--------------->NaOH+H_2$
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[lisel]

2NaOH + H3PO4 = Na2HPO4 + 2H2O :khi (8)::khi (8)::khi (8):

 

[phamvananh9]

NaOH + H3PO4 ====> NaHPO4 + H2O :khi (8)::khi (8)::khi (8):

[TEX][/TEX]
Phương trình sai rùi, fai là Na2HPO4!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 

[phamvananh9]

$H_2O+Na--------------->NaOH+H_2$
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[TEX][/TEX]
$ 3H_2 + Fe_2O_3 --> 2Fe + 3H_2O$..............................................................

 

[kagaminex]

$2H_2O+Br_2+SO_2--->H_2SO_4+2HBr$
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[phamvananh9]

[TEX][/TEX]
$ H_2SO_4 + CuO --> CuSO_4 + H_2O.$..................................................................

 

[kagaminex]

CuSO_4+Ba(NO_3)_2--->Cu(NO_3)_2+BaSO_4$
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[lisel]

BaSO4 + 2NaOH ===> Na2SO4 + Ba(OH)2......................................................................................................................

 

[kobato_2509]

Không xảy ra
$ 2Cu(NO_3)_2 \rightarrow 2CuO + 4NO_2 + O_2 $
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[phamvananh9]

BaSO4 + 2NaOH ===> Na2SO4 + Ba(OH)2......................................................................................................................

- Phương trình này sai rùi, muối td với dd bazo thì fai là muối tan.....................