Câu 37: Oxi hóa 12,5 ml cồn etanol 92o bằng CuO (dư, đun nóng), sản phẩm hữu cơ thu được đem thực hiện phản ứng với dd AgNO3/NH3 dư,t0 . Tính khối lượng Ag thu được. Biết các phản ứng xảy ra hoàn toàn, khối lượng riêng của etanol d = 0,8 g/ml. A. 43,2 gam B. 42,3 gam C. 11,16 gam D. 32,4 gam

"Thuyết minh về thể loại chuyên ngắn" Mn ơi giúp mk vs Ko chép mạng nha . Bn nào có bài hoàn chỉnh thì chụp mk vs

Mấy bạn giỏi Anh ơi,giúp mình bài này với,mình hứa sẽ Vote đủ nha,mình đang cần gấp huhu

Choose the best answer Giải giúp mình câu 10 đến câu 20 nha

Cau hoi: What are you thinking in your soul ?

tính B=36/1.3.5+36/3.5.7+36/5.7.9+.......+36/25.27.29 cho mik hỏi là ai có công thức giạng này thì chỉ mik với ạ giải thik chi tiết từng bước giải xong mik vote 5 sao cảm ơn nhiều ạ

Cho tam giac ABC có BC= 12, CA=13, trung tuyến AM=8 A) tính S tam giác ABC=? B) Tính ^B=?

Không giải pt để tính các nghiệm x1,x2

bài 1: trung bình cộng của 3 số 45,23, và a là 96. tìm số a bài 2: cho dãy số 1;4;9;16;25;....;.....;.... 3 số cần viết tiếp vào dãy số trên là mong các bạn giúp mình

Q1: Find the word with different stress 1 professor 2 opinion 3 romantic 4 comedy Q2: Find the word with different stress 1 significant 2 marvelous 3 excellent 4 wonderful Q3: The main .......... is played by Tom Hanks. 1 character 2 director 3 actress 4 film maker Q4: I was absolutely ....... with the program on wildlife. 1 fascinate 2 fascinated 3 fascinating 4 fascinatingly Q5: He got good job but he was not satisfied. (Although) Câu trả lời của bạn ............................. Q6: Although it rained heavily, we still went hiking. ( Despite) Câu trả lời của bạn ........................................ Q7: The traffic was terrible but we arrived on time. ( In spite of) Câu trả lời của bạn ................................. Q8: The distance between my house and the nearest hospital is 500m. ( It) Câu trả lời của bạn ............................ Q9: I have never seen such a boring movie. (It..... most....) Câu trả lời của bạn ................................ Q10: Many people went to Han River to witness the Danang International Fireworks Festival. ( Make a question for the parts "Han River") Câu trả lời của bạn .................................... Q11: Jean visits Da Lat every two years to attend the Dalat Flower Festival. ( Make a question for the parts "every two years") Câu trả lời của bạn ............................... Q12: Mai walked to school when she was in in primary school. ( Mai went...) Câu trả lời của bạn .................................. Q13: I went swimming every Thursday when I was at school. ( I used...) Câu trả lời của bạn ................................. Q14: you/use/have/tricycle/when/child? Câu trả lời của bạn ................................... Q15: Give the correct form of the word: Despite ...., Zero becomes the 10th highest grossing film of 2018. ( critic) 1 critic 2 criticism 3 critical 4 criticize Q16: Read the passage and answer the questions (16-1 -> 16-5) Huy had a terrible day yesterday. It was the day of is vacation to Singapore but it was a nightmare. He left the house at 10 o' clock in the morning and caught a taxi to the airport. Huy went to the check-in with his luggage. When the man who worked for the airline asked for his passport, Huy became very upset. Where was his passport? Huy realized he didn't have his passport with him. What a disaster! He jumped back into the taxi and told the driver to take him home. The drive drove quickly and Huy arrived back at his house in twenty minutes. He ran into the house and went into his bedroom. He found his passport on the bedside table and left the house again. But the taxi wasn't there! Where was the taxi? He jumped up and down angrily. "I don't believe it. The taxi left!" he shouted. He ran down the street and looked for another taxi. After a few minutes, Huy found another taxi told the drive to take him to the airport as quickly as possible. The traffic on the roads was very bad and, unfortunately, Huy's taxi arrived at the airport late. Hís plane left for Singapore at 11.30 and Huy missed it. He was very sad àn went to speak to the ariline. They promised to get him a seat on an evening flight and Huy went home on another taxi to wait. Q16-1: How was Huy's day yesterday? Câu trả lời của bạn ................................. Q16-2: Where was Huy going on vacation? Câu trả lời của bạn ............................... Q16-3: What time did he leave the house? Câu trả lời của bạn .......................... Q16-4: When did he realize that he didn't have his passport? Câu trả lời của bạn ......................... Q16-5: Why did he go home? ............................