Đáp án: cân bằng pthh h2+o2 cuo+co fe+o2 - H_(2)+O_(2) →H_(2)O CuO+CO→ Cu+CO_(2)↑ 3Fe+2O_(2) → Fe_(3)O_(4) (Chúc bn học tốt nha !!!) (Cho mik xin CTLHN nha !!)

H_(2)+O_(2) →H_(2)O CuO+CO→ Cu+CO_(2)↑ 3Fe+2O_(2) → Fe_(3)O_(4) (Chúc bn học tốt nha !!!) (Cho mik xin CTLHN nha !!)

Đáp án + Giải thích các bước giải 2H_2 + O_2 →(t^o) 2H_2O CuO+CO →CO_2↑+ Cu 3Fe+2O_2->Fe_3O_4 #Kiều

asdfhhffgh

1 giờ trước

cân bằng pthh h2+o2 cuo+co fe+o2

Xem đáp án

3 lượt xem

2 câu trả lời

Trần Tuấn

1 giờ trước

$H_{2}$+$O_{2}$ $\longrightarrow$$H_{2}$O

$CuO$+$CO$$\longrightarrow$ $Cu$+$CO_{2}$$\uparrow$

$3Fe$+$2O_{2}$ $\longrightarrow$ $Fe_{3}$$O_{4}$

$\text{Chúc bn học tốt nha !!!}$

$\text{Cho mik xin CTLHN nha !!}$

Thuykieu125

1 giờ trước

Đáp án `+` Giải thích các bước giải:

`2H_2 + O_2` $\xrightarrow{t^o}$ `2H_2O`

`CuO+CO →CO_2↑+ Cu`

`3Fe+2O_2->Fe_3O_4`

$#Kiều$

Đăng nhập để trả lời

Câu hỏi trong lớp Xem thêm

Viết một đoạn văn hoàn chỉnh về lý do học tiếng Anh bằng cách đưa ra các manh mối ( ko chép mạng nhá)

2 lượt xem

2 đáp án

1 giờ trước

31- Although I am poor, I always help the poor In spite of______________________ 32- In spite of the bad weather , the pilot will bring the plane down safely Although_ 33- although the team played well, they lost Despite____ 34- In spite of his good salary, he was unhappy in his job In spite of_ 35- in spite of his broken leg, he managed to get out of the car Although_ 26- Athough she is poor, she always helps the poor Much as_ 27- Although he was hard, she didn’t pass the exam Much as_ 28- Although he was rich, he didn’t help the poor No matter how 29- Although Peter is late, he could see the first film No matter_ 30. Although he isn’t rich. He isn’t happy. No matter_ 31. Although It was cold, he didn’t wear warm cloth No matter_ 32. Although his life was hard. He is determined to study well. Hard ______________________________ kết thúc ;-;

2 lượt xem

1 đáp án

1 giờ trước

21- in spite of his age, Mr Benson runs 8 miles before breakfast Although_______________________ 22- Although she said that she would cme, I don’t think she ever will Despite 23- Although we live in the same street, we don’t know each other Although 24- In spite of having little money, they are happy Although 25- In spite of the silly story, I enjoyed the film Although 26- Although Carol had a headache, she still read until late In spite of 27- Despite the bad weather, the trip was enjoyable Although_ 28- Despite being poor, she lives in happiness Even though 29- Despite not having the qualifications, Jane got the job Although_ 30- Although she was ill, she went to work Despite________________________

2 lượt xem

2 đáp án

1 giờ trước

việt nam dành độc lập vào năm nào

2 lượt xem

2 đáp án

1 giờ trước

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.

351

351 lượt xem

1 đáp án

1 năm trước

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

271

271 lượt xem

1 đáp án

1 năm trước

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

257

257 lượt xem

1 đáp án

1 năm trước

cân bằng pthh h2+o2 cuo+co fe+o2

2 câu trả lời

Viết một đoạn văn hoàn chỉnh về lý do học tiếng Anh bằng cách đưa ra các manh mối ( ko chép mạng nhá)

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.

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

Đề thi - đề kiểm tra Xem thêm

Chúng tôi

Học tốt

Liên kết

Mạng xã hội

cân bằng pthh h2+o2 cuo+co fe+o2

2 câu trả lời

Viết một đoạn văn hoàn chỉnh về lý do học tiếng Anh bằng cách đưa ra các manh mối ( ko chép mạng nhá)

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.

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

Đề thi - đề kiểm tra Xem thêm

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.