Đáp án:
Giải thích các bước giải:
`C_mH_{2m+1}O_2N+(m+{2m+1}/4-1)O_2->mCO_2↑+1/2N_2+{2m+1}/2H_2O`
`C_xH_{2x+1}O_4Cl+(x+x/2-2)O_2->xCO_2+xH_2O+HCl`
`#Devil`
1 .CmH(2m+1)O2N +(m +2m+1\4 -1)O2 -> mCO2 + (2m+1\2)H2O + 1\2N2
2. CxH(2x+1)O4Cl + (x+x\2 -2) O2 ->x CO2 + xH2O + HCl
cho tứ giác ABCD.gọi m,n,p,q theo thứ tự là trung điểm của AB,AC,CD,DB a) CMR:tứ giác MNPQ là hình bình hành b)Các cạnh AD và BC của tứ giác ABCD cần có điều kiện gì để tứ giác MNPQ là hình thoi
giải nhanh giùm mk với 8h mk cần
mn làm giúp mình với ạ , ai nhanh nhất mà đúng mình cho 5 sao
Tổng số tuổi 2 bố con là 60 tuổi tuổi con = 1/3 tuổi bos ,hỏi số tuổi của bó
Tổng số tuổi 2 bố con là 60 tuổi tuổi con = 1/3 tuổi bos ,hỏi số tuổi của bố
Tìm giá trị lớn nhất (hoặc nhỏ nhất) của: a. x^2-6x+18 b. -x^2+5x-10
CM vs n lẻ thì ta có : a ) C = n ² + 4n + 3 chia hết cho 8 b) D = n³ + 3n ² - n - 3 chia hết cho 48
Làm giúp mình bài này vs ạ. Mình cảm ơn
Give the correct form of the word given in each sentence 1. First _____________________ can be misleading. (impress) 2. I enjoy working there, everyone is so ______________________. (friend) 3. The editor welcomes _____________________ from readers on any subject. (correspond) 4. Some people have no _____________________ beliefs. (religion) 5. By the age of eighteen he was completely __________________ of his parents. (depend) 6. English and French are Canada’s __________________ languages. (office) 7. America’s ___________________ production fell for the fourth successive month. (industry) 8. How can we make the subject more ____________________ to young people? (interest) 9. Many parents opposed the __________________ of the classes into different sets. (divide) 10. Mathematics is an ____________________ subject at school. (compel) 11. Quebec wanted some form of ________________ from the rest of Canada.(sepaprate) 12. The list of their achievements is pretty __________________. (impress) 13. She felt alone and _________________. (friend) 14. Islam is one of the great world ______________. (religious) 15. We need to get more young people ______________ in the sport. (interest) 16. The Ao dai is the _______________ dress of Vietnamese women. (tradition) 17. Travelling by subway is fast, ________________, and cheap. (convenience) 18. The program examine the role of women in ________________ society. (modernize) 19. Dreams are a rich source of __________________ for some writers. (inspire) 20. Don’t you believe in _________________ between men and women? (equal) 21. I need you there to offer words of _________________. (encourage) 22. She offered him an ________________ handkerchief. (embroider) 23. It’s ______________ to wear T-shirts and faded jeans. (fashion) 24. I wear my school uniform with _____________. (proud) 25. The worldwide ______________ situation is getting worse and worse. (economy) 26. These clothes are attractive but entirely ______________. (practice) 27. Many people enjoy the pleasures and _______________ of living downtown. (convenient) 28. Trinh Cong Son is one of the most well-known _______________ in Viet Nam. (music) 29. I like wearing loose _______________ clothes. (comfort) 30. He was _________________ dressed in jeans and aT-shirt. (casual) 31. He wants to make a good ________________ on everyone he meets. (impress) 32. She had no formal __________________ in music. (instruct) 33. Susan always dresses very ______________________. (fashion) 34. Angkor Watt used to be a ___________________ center. (religion) 35. You’ve made your parents very __________________. (pride) 36. Children seem to have lost their ________________ in reading. (enjoy) 37. Most of the _________________ have lived here all their lives. (village) 38. She listens to classical music for _________________. (relax) 39. I find this piece of music very _________________. (rest) 40. He made a __________________ of Roman coins and medals. (collect) 41. English spelling presents special _______________ for foreign learners. (difficult) 42. The school is performing well, but we recognize the need for the further ________________. (improve) 43. Let me introduce you a _______________ university. I think it’s really reliable. (repute) 44. Cigarette __________________ has been banned. (advertise) 45. Previous teaching experience is a necessary ________________ for this job. (qualify) 46. Sue has applied for the job, but she isn’t very well-__________________ for it. (qualify) 47. It’s _________________ to speak when you’re eating. (polite) 48. I go hill-walking for __________________. (relax) 49. The university has a _________________ as a center of excellence. (repute) 50. We _________________ gathered our things and ran to the bus stop. (hurry) 51. I watch the news every day because it’s very ___________________. (inform) 52. I enjoy the constant _______________ with students from other classes. (interact) 53. The ______________ of the magazine has declined since last year. (popular) 54. The newspaper is _______________ read by both teenagers and adults. (wide) 55. There is an ___________________ documentary on Channel 4 tonight. (interest) 56. Thomas A. Edision was an American _______________ who improved the electric light bulb. (invent) 57. We have teachers who are all well-__________________ for teaching. (qualify) 58. The next stage in the __________________ of television is interactive TV. (develop) 59. I enjoy the ________________ atmosphere while I was on my uncle’s farm. (peace) 60. It would be more __________________ to switch the machine off at night. (economy) Có j làm giải thik giúp e vs a
Calli : Có ai cho tôi vô team không? NL : Là câu trên ó ~V~
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