Cho 2,7 Al td với 600ml H2SO4 0,75M.Tính nồng độ mol các chất thu được sau pư.Biết thể tích dd thay đổi k đáng kể
Em đang cần gấp ạ Trả lời đúng chủ đề hộ em
Giải gium với ạ help me..........
Ai giúp em làm bài tập với ạ vote 5 sao
367 + 361 + 355 + ... + 7+1 Tính giá trị các lũy thừa : 1*2^3 ; 4^3 ; 6^2 ; 3^5 ; 2*10^2 ; 10^5 ; 10^7 làm giúp mình với mình vote cho 5 sao + câu trả lời hay nhất
Dạng 1: Các bài toán đưa về phép nhân hai số nguyên Bài 1: tính a)7. (10 - 3) - 8.(2 -9) b)-17.(13+5) + 13.(17-2) Bài 2: tính nhanh a)1-2+3-4+5-6+...+2007-2008+2009-2010 b)1-4+7-10+...+307-310+313
Trong hai ngày 18 và 19 - 12 -1946 , Ban Thường vụ Trung ương Đảng họp đã quyết định phát động toàn quốc kháng chiến tại
Sửa lại lỗi sai được gạch chân trong mỗi câu sau. 1. Mike and Fred is leaving tomorrow morning. Mike and Fred ________________ tomorrow morning. 2. Look, the concert is beginning at 6 o’clock. Look, the concert __________________ at 6 o’clock. 3. Do you do anything tonight? ___________________ anything tonight? 4. Excuse me, what time the ship lands? Excuse me, what time ________________________ ? 5. I see my doctor this afternoon. I ______________________ my doctor this afternoon. 6. Where do you go on your holiday next summer? Where ______________________ on your holiday next summer? 7. The train is not leaving at 10.15. it is arriving at 10.15. . The train _________________ at 10.15. It __________________ at 10.15. 8. Do you give Jill anything for her birthday this year? _____________________ Jill anything for her birthday this year? 9. This winter term classes are ending on 8 March. This winter term classes ________________________ on 8 March.
IV. Word form: 1. He is a famous_________________. He makes everyone laugh. COMEDY 2. This is a(n)________________programme. It gives viewers a lot of knowledge. EDUCATION 3. Mr.Bean is a(n)_________________character. I like him very much. FUN 4. How do you think about this gameshow? – It is very___________________. ENTERTAIN 5. VTV3 is a(n)_______________television channel in Vietnam. NATION V. Fill in each gap with one suitable word: I want (1)___________become an MC in the future. At present, my favourite MC is Lai Van Sam. He (2)__________ working as an MC for the famous game show Who is millionaire?. I like him very much (3)__________he is intelligent and funny. This progamme is on TV (4)__________Tuesdays. I think it is a not (5)___________entertaining but also educational programme. Ex 1: Verb tenses/ forms: 1. I____________(be) here for 2 days. 2. –He ( read ) books for an hour ? - She ( begin) playing football 3 years ago? 3. How about_____________(go) swimming at the weekend? 4. She______________(like) romantic movies. 5. ____________you____________(write) a letter at present? 7. ____________she____________(go) to London next month? 8. My friend (take)________________a trip to DaLat next week. 9. Let ‘s_____________(play) a game! 10. How long____________(be) this bridge? 11. This table is so dirty! - I_____________(clean) it at once, sir! 12. He never ( go )________________camping because he (not have )________________a tent. 13. When it is hot, we________________(go) swimming. 14. ___________Marry___________(go) camping next Sunday? - Yes, she__________. 15. “Your room is so dirty!” - “I___________________(clean) it immediately.” 16. It is 9 o’clock. We______________(lie) on the beach. 17. My mother___________________(be) in the countryside next month. 18. There__________(be) a little rice in the kitchen. 19. You must____________(learn) harder. 20. She would like____________(eat) beef.
Đề hơi mờ thông cảm nha giúp mình dới
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