\(n_{O_2}=\frac{V}{22,4}=\frac{3,36}{22,4}=0,15\left(mol\right)\)

\(2KClO_3\rightarrow2KCl+3O_2\uparrow\)

\(0,1-----0,15\)

\(\Rightarrow m_{KClO_3}=n\cdot M=0,1\cdot122,5=12,25\left(g\right)\)

Vậy khối lượng KClO₃ bị phân hủy là 12,25 ( g )

thank nha zZz Cool Kid_new zZz

1) How often do you play volleyball ?

2) What time do Anne and Betty get to school every day ?

3) How does your father go to work ?

4) When are we going for a holiday by sea again ?

5) Why do you l your coffee ?

1)How often do you play volleyball

2)What time do Anne and Betty get to school eveyday ?

3)How does your father goes to work ?

4) When / How long / Where are we going for a holiday by sea again ?

5)Why do you your coffee?

a) \(4Cr+3O_2\rightarrow2Cr_2O_3\)

b) \(2Cu+O_2\rightarrow2CuO\)

c) \(2Ca+O_2\rightarrow2CaO\)

d) \(4Al+3O_2\rightarrow2Al_2O_3\)

Bn ơi đây là môn hoà học chứ ko phải môn tiếng Anh

1 . People

2 . Flowers

3. Books

5. The children's blocks

13. False

14. False

15.True

1 people

2 flowers

3book

5 the chidre'sblocks

13 false

14 false

15 true

was taken

A beautiful picture taken by the thief. 

Dịch : Một bức ảnh đẹp được chụp bởi tên trộm.

Chúc bạn hok tốt !

https://h.vn/hoi-dap/question/436883.html?pos=1137072

1. wasn't

2. weren't 

3. was

4. has read 

5. is looking

1. wasn't

2.weren't

3.was

4.read

5.is looking

apartment / door / mine / they / an / to / rented / next .

........Thay rented an apartment next door to mine.................................................................................................

first / saw / shark / time /she / this / the / a / is .

............This is the firs time she saw a new shark..............................................................................................

worte / often / year / letters/ pen pal / to /I/ my last .

................I often worte letters to my pen pal last year.....................................................................................

short / stopped / the / they / at / my restaurant / for / time / a.

...................They stopped at the restaurant for a short time .......................................................................................

bought / made / mother / dress / material / my / and / me / the /  a / for .

...............My mother bought the material and make a dress for me .................................................................................

học tốt

1. I know a lot about Beijing because I ...went.......... there last summer 

2. Eating fruit and vegetables every day .......is............ very healthy 

3. My Brother usually ......goes...... fishing in his free time

4. Jane 's hobby is cooking . She enjoys ...preparing...... food for her family and friends 

Chúc bạn học tốt ! ^-^

1. I know a lot about Beijing because I went  there last summer 

2. Eating fruit and vegetables every day is very healthy 

3. My Brother usually goes fishing in his free time

4. Jane 's hobby is cooking . She enjoys preparing food for her family and friends 

Chúc bạn hok tốt! ^-^

1.Today Mai doesn't wear uniform .

2.I'm excited at school on first day  .

3 .We eat lunch in at lunch time school canteen.

4 .Tomorrow Hoa will buy flowers for her father 's birthday .

5.Nobody in my class is better at Maths than Minh .

cả  ơn bạn nha chúng mình kết bạn nhé