Trộn 3 lít NO với 10 lít không khí. Tính thể tích NO2 tạo thành và thể tích hỗn hợp khí sau phản ứng (biết oxi chiếm 1/5 thể tích không khí, phản ứng xảy ra hoàn toàn, các khí được đo trong cùng điều kiện) Giúp em trả lời bài này chi tiết rõ ràng được không ạ

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Use the word given in the box to fill in the blanks to make a meaningful passage visited - got up - bookshop – dictionary – bus – speaking Last Sunday, Nam went on excursion to Oxford. He (1)……………early and took a(2)……………...,so he arrived there on time. In the morning, he (3)………………….the National gallery, Big Ben and the Hyde park. In the afternoon, he bought a (4)………………… and a small disc with the words “Oxford University”. He met some English students in the (5)……………….. .He was happy to practice (6)………………. English with many foreigners. Although he felt tired, he all had a nice day. Read the passage then answer the following questions: 1. Where did Nam go last Sunday? …………………………………………………………………………………………… 2. How did he go there? …………………………………………………………………………………………… 3. Where did he meet some English students? …………………………………………………………………………………………… 4. What did he do with some foreigners? …………………………………………………………………………………………… Rewrite the following sentences so that the second sentence means exactly the same as the sentences before it . 1. I’m sorry I can’t speak English fluently . I wish ……………………………………………………………………………… 2. “ Are you coming to the party tonight ?“ Peter asked me ……………………………………………………………………… 3. I went to bed early because I was tired . I was tired …………………………………………………………………………… 4. Somebody has cleaned the room . The room …………………………………………………………………………………………