Hòa tan hoàn toàn hỗn hợp gồm 3,6 gam Mg và 6,75 gam Al bằng dung dịch H2SO4 đặc nóng thì thu được hỗn hợp 2 muối, V lít khí khí SO2 (đktc) và nước. a. Viết phương trình và tìm V b. Tính khối lượng muối thu được sau phản ứng

Gấppp..Bạn nào ơi làm giúp mình với. Tí phải nộp r mà mình kh làm đk 🤒

1.I/glad/able/ I/ were / am/to/ come/that/you. 2. Everybody / important / feel/it's/ should / that/ comfortable. 3. She/ surprised/ am/ hasn't/ I/ that/ phoned 4. We/ that/ never/ he # giúp e vs ah.Cảm ơn mn rất nhiều

4,9 < X < 5,1 Tìm 3 giá trị của X Thank you

(((1-x\sqrt(x)))/(1-\sqrt(x))+\sqrt(x))*(((1+x\sqrt(x)))/(1+\sqrt(x))-\sqrt(x))

Exercise 5. Write the second sentence so that it has the same meaning as the first one. Use the word in brackets. 1. I’m leaving now because I don’t want to miss the train. (so) I’m____________________________________________________________________ 2. The last time I saw my uncle was two years ago. (for)  I haven’t_______________________________________________________________ 3. Let me reach my office and then I will talk to him. (when)  I_____________________________________________________________________ 4. Why don’t we donate our old books, toys and clothes to charity? (suggests)  Mom_________________________________________________________________ 5. Jane stayed behind after the class in order to talk to the teacher. (because)  Jane__________________________________________________________________ 6. Where do you live? (address)  What _______________________________________________________________? 7. How old is she? (age) What _______________________________________________________________? 8. What time will it start? (start) When _______________________________________________________________? 9. Mr. Brown is not free this afternoon. (be) Mr. Brown ____________________________________________________________. 10.What does his sister do? (job) What ________________________________________________________________? Exercise 6. Read the passage then answer the questions below: Her name is Linda. She works in a large company in Ho Chi Minh City. She is a secretary. She answers the telephone and takes messages. She also uses a fax machine and a computer. She has to speak English with her boss. She starts work at 8:00. She usually rides her motorbike to work. She has lunch at 12:00. She finishes work at 5:30 pm. She goes home and helps her mother prepare dinner. After dinner she often watches television for a while and reads books. She usually goes to bed at 11:00pm. Questions: 1.Where does Linda work?  ______________________________________________________________ 2. What does she do?  ______________________________________________________________ 3. What language does she speak with her boss?  ______________________________________________________________ 4. Can she use a computer?  ______________________________________________________________ 5. How does she go to work?  ______________________________________________________________ …………THE END………….

Giúp mk vs! 11.​I spend ​​ my spare time gardening. ​A. most​B. the most of​C. most of​D. most of the 12.​Your body uses calcium to build healthy bones and teeth, ​​ them strong as you age. ​A. continue​B. keep​C. remain​D. care 13.​Food in Northern Vietnam is not as ​​ as that in Central and Southern Viet Nam, as black pepper is often used rather than chilies. ​A. spicy​B. exciting​C. strong​D. flavour 14.​Pumpkin soup is a good source of ​ minerals and vitamins, especially vitamin A. ​A. fibers​B. fats​C. sugars​D. solids 15.​There’s ​​​ use in complaining. They probably won’t do anything about it. ​A. a few​B. a little​C. no​D. some 16.​If you eat too quickly, you may not ​​ attention to whether your hunger is satisfied. ​A. keep​B. show​C. pay​D. take 17.​Another feature in northern cuisine is in winter all family members gather around a big hotpot ​​​ there is a combination of seasoned broth, vegetables and meats. ​A. what​B. where​C. which​D. in which 18.​You ​​ chicken. You cook it in an oven or over a fire without liquid. ​A. fry​B. roast​C. steam​D. boil 19.​​​​ cups of coffee have you taken? ​A. How many​B. How much​C. How​D. How far 20.​Common eating habits that can lead to ​​​ are: eating too fast, eating when not hungry, eating while standing up, and skipping meals. ​A. put on weight​B. be heavy​C. gain weight​D. weight gain

Hòa tan 26,7 gam hỗn hợp NaI và NaCl vào nước được dung dịch A. Cho Br2 vừa đủ vào dd A được muối X có khối lượng nhỏ hơn khối lượng của hỗn hợp muối ban đầu là 4,7 gam. Khối lượng naCl trong hỗn hợp bằng:

Chọn từ có phần gạch chân được phát âm khác với ba từ còn lại

Giúp mk với ạ Cảm ơn nhiều nha