Đáp án: cân bằng pthh h2+o2 cuo+co fe+o2 - Đáp án + Giải thích các bước giải 2H_2 + O_2 →(t^o) 2H_2 O CuO + CO →(t^o) Cu + CO_2↑ 3Fe + 2O_2 →(t^o) Fe_3 O_4

Đáp án + Giải thích các bước giải 2H_2 + O_2 →(t^o) 2H_2 O CuO + CO →(t^o) Cu + CO_2↑ 3Fe + 2O_2 →(t^o) Fe_3 O_4

(PTHH) (2H_(2)+O_(2)→(t^o)2H_(2)O) (CuO+CO→(t^o)Cu+CO_(2)) (3Fe+2O_(2)(dư)→(t^o)Fe_(3)O_(4)) (2Fe+O_(2)(thiếu)→(t^o)2FeO)

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cân bằng pthh h2+o2 cuo+co fe+o2

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Đáp án `+` Giải thích các bước giải:

`2H_2 + O_2` $\xrightarrow{t^o}$ `2H_2 O`

`CuO + CO` $\xrightarrow{t^o}$ `Cu + CO_2↑`

`3Fe + 2O_2` $\xrightarrow{t^o}$ `Fe_3 O_4`

Nguyễn Ngọc Quang

1 giờ trước

$\text{PTHH:}$

$\text{2H$_{2}$+O$_{2}$$\xrightarrow[]{t^o}$2H$_{2}$O}$

$\text{CuO+CO$\xrightarrow[]{t^o}$Cu+CO$_{2}$}$

$\text{3Fe+2O$_{2}$(dư)$\xrightarrow[]{t^o}$Fe$_{3}$O$_{4}$}$

$\text{2Fe+O$_{2}$(thiếu)$\xrightarrow[]{t^o}$2FeO}$

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cân bằng pthh h2+o2 cuo+co fe+o2

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việt nam dành độc lập vào năm nào

Choose the best answer.I think you should buy _____ pack of mineral water instead. And you can also buy _____ snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ______ cookies and soft candies.

Choose the best answer.We should decorate our living room with _____ orange banner. We also need ________ ribbons, balloons, party hats and costume.

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Choose the best answer.
I think you should buy ___ pack of mineral water instead. And you can also buy _ snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ____ cookies and soft candies.

Choose the best answer.
We should decorate our living room with _ orange banner. We also need ____ ribbons, balloons, party hats and costume.

Choose the best answer.
I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.