Cho 18,2 gam hỗn hợp gồm benzen và stiren làm mất màu vừa đủ 100ml dung dịch brom 2M. Tính khối lượng của benzen trong hỗn hợp đầu

Khởi nghĩa của Thúc Thừa Dụ a)Thời gian,địa điểm,chống kẻ thù xâm lược nào? b)Diễn biến? c)Ý nghĩa? Sgk trang 85 giúp đỡ mình với mn mình cần gấp

Bài 2: Một người đi xe đạp từ A đến B với vận tốc 15 km/h. Lúc về người đó đi với vận tốc 12 km/h, nên thời gian về lâu hơn thời gian đi là 30 phút. Tính quãng đường AB?

Để tưởng nhớ công lao của Đề Thám, Phan Đình Phùng, Hoàng Diệu, Nguyễn Tri Phương…nhân dân ta làm gì ? Ai giúp mình mình sẽ cho 5 vote T_T

làm giúp mình với ! VI. Give the correct forms of verbs/ words (cho dạng đúng của động từ/ từ trong ngoặc) 1. I_________ (never/ experience) such a big earthquake before I_________ (go) to Java island. 2. Forest fires_________ (may/ start) by people or by lightning in storms. 3. About 500 ha of pine forests_________ (destroy) by a fire last month. 4. Some_________ eruptions are explosive and others are not. (volcano) 5. Linda was the most_________ typhoon to ever hit Southern Vietnam. (destroy) VII. Rewrite the sentences in passive voice. (viết lại câu ở dạng bị động) 1. Rescue teams have saved hundreds of people from floods in Metro Manila. ___________________________________________________________________ 2. An average of 20 typhoons hit the country every year. ___________________________________________________________________ 3. A massive landslide buried dozens of homes near a Central Philippine mountain. ___________________________________________________________________ 4. They are repairing roads and bridges damaged by the hurricane. ___________________________________________________________________ 5. Will the government send troops to flooded regions? ___________________________________________________________________

Một vật có khối lượng 500 gam đang chuyển động với vận tốc v thì thu được 1 động lượng là 8kgm/s. Tính vận tốc v và động năng của vật ?

Question 19: I haven't won yet, but I will keep trying A. Correct B. Incorrect Question 20: I don't really like the film although most critics say it is a must-see film. A. Correct B. Incorrect Question 21: The effect in the film is amazing. Although the acting is terrible A. Correct B. Incorrect Question 22: In spite of it is a comedy, I don't find it funny. A. Correct B. Incorrect Question 23: She performed excellently in many films. However, she hasn't ever won an Oscar for Best Actress. A. Correct B. Incorrect Bài 2: Choose the best answer to complete these following sentences. Question 24: _____ she was very tired, she helped her brother with his homework. A. Because B. whether C. Although D. so Question 25: It’s raining hard, _____ we can’t go to the beach. A. or B. but C. so D. though Question 26: Nam was absent from class yesterday ____ he felt sick. A. so B. because C. although D. but Question 27: Tom has a computer, _____ he doesn’t use it. A. or B. as C. because D. but Question 28: The boy can’t reach the shelf ____ he’s not tall enough. A. because B. although C. even though D. and Question 29: The film was boring, ____ we went home. A. so B. when C. but D. if Question 19: I haven't won yet, but I will keep trying A. Correct B. Incorrect Question 20: I don't really like the film although most critics say it is a must-see film. A. Correct B. Incorrect Question 21: The effect in the film is amazing. Although the acting is terrible A. Correct B. Incorrect Question 22: In spite of it is a comedy, I don't find it funny. A. Correct B. Incorrect Question 23: She performed excellently in many films. However, she hasn't ever won an Oscar for Best Actress. A. Correct B. Incorrect Bài 2: Choose the best answer to complete these following sentences. Question 24: _____ she was very tired, she helped her brother with his homework. A. Because B. whether C. Although D. so Question 25: It’s raining hard, _____ we can’t go to the beach. A. or B. but C. so D. though Question 26: Nam was absent from class yesterday ____ he felt sick. A. so B. because C. although D. but Question 27: Tom has a computer, _____ he doesn’t use it. A. or B. as C. because D. but Question 28: The boy can’t reach the shelf ____ he’s not tall enough. A. because B. although C. even though D. and Question 29: The film was boring, ____ we went home. A. so B. when C. but D. if

Câu chuyện " Hai biển hồ" gợi cho e bài học gì? Hãy nêi suy nghĩ của em Monh mọi người giúp ạ Hứa 5 sao

Em hãy kể các chất hóa học dùng để diệt khuẩn dùng trong bệnh viện, gia đình và trường học. Nêu tác dụng của từng nhóm chất?

Giải giúp mình với sẽ vote 5 * nhé m.n hết câu 12 lún nha