phản ứng tương tác của ancol với axit tạo thành este có tên gọi là gì

Mình đang cần gấp nhờ mọi người tư vấn ạ . Cảm ơn mọi người nhiều nha <3

Cho P = (3x + √9x - 3)/(x + √x - 2) - (√x + 1)/(√x + 2) + (√x - 2)/(1 - √x) a) tìm ĐKXĐ rút gọn b) tính giá trị của P khi |2x-5|=3

giúp mình cách viết mail này với ạ You are organizing a small conference and would like to receive an offer from a few hotels. Use the information below to write an enquiry to the Park Central hotel. Park Central hotel 778 Fifth Avenue at 55th street New York New York +1(855)249-5811 Parkcentral@gmail.com • 2 large meeting rooms, 1 seats 20 people, 1 seats 25 people • Technical support • Restaurant (weekends- restaurant only open evenings; for lunchtime arrangements our staff are happy to reserve you a table at a local restaurant) • Internet access in residents’ lounge

Câu 1 : Hoà tan hoàn toàn 12 gam CuO cần dùng 500 ml dung dịch H2SO4 thu được dung dịch X. a) Tính khối lượng của muối thu được. b) Tính nồng độ mol của dung dịch H2SO4 cần dùng. c) Tính nồng độ mol của muối thu được. Giải giúp e vs a

Complete each sentence with the correct form of a verb from the box. You don't need to use all of them. live turn break get give keep come take find go 1. - Has Phuc arrived yet? - No, but I'm sure he ___________up soon. 2. My aunt never really ___________ over the death of her pet dog. 3. It's not easy to___________up smoking. My uncle has tried to do it lots of times without success. 4. Sorry, I don't mean to interrupt you. Please ___________on and finish what you are saying. 5. I enjoyed living in London, but it didn't really___________up to my expectations. 6. I'm sorry I'm late, but the car ___________down on the way here, so I had to phone for a taxi. 7. You were going too fast! I couldn't____________up with you. 8. Remember to ___________out how many people are coming to the party.

Phân tích đa thức thành nhân tử: 8x^3-36x^2-54x-27 hic mọi người giải thích chi tiết hộ em với ạ + 54x - 27

Lm hộ tui zới 😓 trình bày kỉu lớp 8 nhó

Complete each sentence using a verb from A in the correct form and a particle from B. You can use any particle more than once. A: turn bring deal live break set keep go give run B: out down with up on off 1. Don't _____________practising. You're making good progress. 2. Mai____________________her stress by taking up yoga. 3. Hoang was sad because he failed to________________to his parents' expectations. 4. If they_____________________cutting down trees, the city will lose its beauty. 5. Our band has just___________________ our second album. 6. We missed the beginning of the film since our motorbike _______________ on the way to the cinema. 7. She wanted to knit a scarf, but she ______________of wool before she was finished. 8. If you don't________________ with your regular exercise, you'll gain more weight. 9. Their proposal to build another skyscraper in the city has been_______________as it may be dangerous. 10. What time do you want to _______________for Hai Duong?

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