Tính khối lượng của các chất sau:

 

1/This/shop/neighborhood./is/in/worst/the/coffee/my
2/That/has/of/all./loveliest/the/house/dog
3/in/laptop/class./is/most/his/expensive/Steve’s/the
4/the/is/in/world?/What/animal/fastest/the
5/Who/the/strongest/is/team?/on/your
6/in/teacher/sweetest/the/voice/the/My/has/school.
7/exciting/What/your/most/is/trip?
8/Lisa/player./is/badminton/best/the
9/shortest/February/is/year./in/month/the/a

Cộng các đa thức sau:

Tính khối lượng của lượng chất sau:
   a/ 1,5 mol Al(NO3)3
   b/ 6,72 lít (đktc) C3H8

Do not use contractions. Make questions with What… like?
1/The weather is terrible today.
2/The poster in my classroom is big and bright.
3/The new nurse isn’t caring or enthusiastic. Nobody likes him.
4/My exam is pretty difficult this time. I must try really hard.
5/Her husband has a good sense of humor. It’s fun to talk to him.
6/Jack’s handwriting is so neat. His mom loves looking at it.
7/Our neighbor is very kind. She always gives us cookies at the weekend.
8/Her grandparents have a great bedroom. It’s super comfortable.

  1)I need to pass this exam to graduate. 

A.It is necessary for me to pass this exam to graduate.

B.It is necessary to pass this exam to graduate.

C.It is necessary for me pass this exam to graduate.

D.It is necessary pass this exam to graduate.

  2)I spend two hours doing my homework everyday. 

A.It takes me two hours doing my homework everyday.

B.It takes two hours to do my homework everyday.

C.It takes me two hours to do my homework everyday.

D.It takes two hours doing my homework everyday.

Phân tích đa thức thành nhân tử:
13x^2-27x+14
 

GHI LẠI PHƯƠNG TRÌNH CHỮ CHO CÁC PHẢN ỨNG HÓA HỌC SAU:

1)khí cacbon tác dụng với nước khi có mặt chất diệp lục và ánh sáng tạo ra tinh bột và khí oxi
2)Đốt bột sắt trong bình chứa khí clo thu được muối sắt (III) clorua có màu nâu đỏ 
(giúp mình với mình đang cần gấp)

1)was/told/He/option./me/no/there/other
->___________________________________________
2)carry/you./bags/me/for/those/Let
->___________________________________________
3)better/to/is/learning/He/speak/English.
->____________________________________________
4)my/errors./surprised/when/was/they/I/discovered
->______________________________________________
5)phone/I/pissed/I'm/my/so/last/that/night./lost
->______________________________________________
6)He/now./I/going/to/office/and/are/post/the
->_______________________________________________
7)them./for/some/I/bought/new/furniture
->_______________________________________________
8)will/results/for/up/pick/I/us./test
->_______________________________________________
9)not/affect/will/future./the/in/me/It
->________________________________________________
10)Do/you/because/job/want/whatever/yours./is/the
->________________________________________________