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10 tháng 5 2022

cần câu nào ?b

10 tháng 5 2022

C5:

nC2H5OH = 8,2 / 46 = 0,2 (mol)

C2H5OH + 3O2-- (t^o)-- > 2CO2 + 3H2O

VCO2 = 0,4 . 22,4 = 8,96 (l)

VO2 = 0,6.22,4=13,44 (l)

19 tháng 12 2021

Em cần bài nào đăng lên 1 bài đó nha

9 tháng 8 2021

1, What would he like to have for breakfast?

He would like to have a sandwich

2,Who would you like to go fishing with?

I would like to go fishing with my father

3,What would her children like to do in the summer?

They would like to go swimming

4,When would Mrs Tam like to go shopping?

She would like to go shopping at weekends

5,Where would Hung and Tung like to study

They would like to study in the library

9 tháng 8 2021

1 What would he like for breakfast? 

He'd like a sandwich

2 Who would you like to go fishing with?

I would like to go with my father

3 What would her children like to do in summer?

They would like to swim inpool

4 When would Mrs Tam like to go shopping?

She would like to go shopping on the weekends

5 Where would Tung and Hung like to study ?

THey would like to study in the school library

3 tháng 2 2023

1 bỏ so

-In order to V(inf): Để làm gì

3 -So as to V(inf): Để làm gì

6 me->her

-Could/can/Will+V(inf)

-Help+O+V/to V

11 ..... me where the nearest post office is?

-Can/could+S+V+wh-questions+S+V?

14 -Shall+S+V(inf)?

17 ........ going to help him revise his lessons

-"be" going to V(inf): Sẽ làm gì( mang tính chắc chắn)

18 -Would+S+love/like+to V/N?

19 -Let's+V(inf)

= Shall+we+V(inf)?

20 -Trong ngữ cảnh này "to V" được dùng với nghĩa "để làm gì"

*Inf: Infinitive

4 tháng 9 2021

uk cùng cố gắng

4 tháng 9 2021

uhm yêu bạn :)