1)Maryam often writes to Lan

=>Maryam is____________________

2)The woman asked me to help her with her suitcases

=>The woman said to me___________________

1)l=50m,r=1mm. tính R của nicrom

2)l=100m,d=1mm\(^2\).Tính R của nicrom

1)\(\sqrt{2-\sqrt{3}}\left(\sqrt{6}-\sqrt{2}\right)\left(2+\sqrt{3}\right)\)

Giúp mình bài này với !!

1.Dẫn 5,6 lít khí SO2 (dktc) lội qua dung dịch NaOH 1,25M thu được muối Na2SO3 và nước

a)Viết PTHH?

b)Tính khối lượng muối thu được?

c)Tính thể tích dung dich NaOH cần dùng?

d)Tính nồng độ mol của dung dịch muối sau phản ứng,biết rằng thể tích dung dịch sau phản ứng thay đổi không đáng kể ?

2.Dẫn V lít khí CO2(dktc) lội qua 400gam dung dịch Ca(OH)2 7,4% thu được muối CACO3 và nước

a)Viết PTHH

b)Tính khối lượng muối thu dược?

c)Tính V?

a)viết các phương trình hóa dọc điều chế axit từ H2SO4 từ lưu huỳnh,không khí,nước và điều kiện kĩ thuật,xúc tác xem như có đủ?

b)thêm vài giọt axit sunfuric vừa điều chế ở trên vào ống nghiệm đựng Cu(OH)2.Cho biết hiện tượng xảy ra,viết PTHH?

1)He said to Ms Nga :How often do you write to your mother?

=>He asked

2)Mr.Parker has raised a lot of chicken and ducks on the farm

=>A lot

3)These students always listen to their reachers attentivelly

=>These students always pay

4)The weather was cold,that's why they has to cancel their trip

=>The weather

5)The little girl cheans the floor carefully

=>The dishes

6)That window was very difficult to open

=>It

7)What a pity the weather isn't nice today

=>We wish

1.My father _______ me English when I was six(teach)

2.Everything _________________ successful so far(be)

3.These farmers are busy_____________ on their farm(work)

4.She needs___________her writing(improve)

5.The jouney to our home village seemed____________to the children,but we felt very excited(tire)

6.Did your children enjoy________on the beach(lie)

7.They had a chance___________to the foreigners,but they missed it(talk)

8.I can't understand him though we_________together under the same roof for long(live)

9.He's a very ____________man and he makes us laught a lot(amuse)

10.Do children like_________(play) in a swimming pool?

11.It is interesting __________(communicate)with friends by means of chatting

12.Christmas songs__________for people in town 800 years ago

1.christmas is the last chance we met each other

=> We have _________________

2.We like fresh air and that's why we live in Da Lat

=>Because__________________\

3.Why don't we talk around the park every day to have good helth?said Hong

=>Hong asked us___________

4.Dou your parants still live in Nha Trang now?said Nam to me

=>Nam asked____________

5.We like fresh air and beautiful sceneries that's why we live in Da Lat

=>Because_____________

6.Peter is the same age as Van

=>Van is as________________

7.Lan wants to be a busineswoman,sho she goes to University of Economics

=>If_____________

8.Mr.Parket has raised a lot of chickens and ducks on the farm

=>A lot_________________

9.These students always listen to their techers attentively

=>These students always pay______________

whenever I have a problem,I ____you (ring)

These students are busy _______homework(do)

Her boring essay is the longest one that I________ (ever read)

The one-week trip to Thailand is really_____to him(interest)

These students often listen to the techer very__________(attend)