công thức hóa học của đường glucozơ c6h12o6 thức hóa học của đường glucozơ là C6H12O6 a) có bao nhiêu nguyên tử C, H, O trong 1,5 mol đường trên b) tính khối lượng mol đường c) trong 1 mol đường glucozơ có bao nhiêu gam mỗi nguyên tử C, H và O

VIII. Read the text. Complete the text by matching sentences A-G with gaps 1-6. There is one extra sentence you do not need. A Her head and her arm hurt, but she was alive. B He needed to take a plane into the jungle, but the flight was full C The problem was that she couldn't walk. D She walked for ten days with no food. E But after ten days, they decided that everybody was dead, so they stopped looking for people. F The other 96 people on the plane all died in the accident. G So she knew that the important thing was to find fresh water. ESCAPE FROM THE JUNGLE It was Christmas Eve 1971. A film director called Werner Herzog was at the airport in Lima, Peru. (1) ________ Herzog waited for the next flight and the plane took off from the airport without him. A few minutes later, it crashed into the jungle. There was only one survivor – a 17year-old German girl called Juliane Koepke. (2) ________ When the plane crashed, Juliane fell through the trees and landed on the ground. She woke up 24 hours later. (3) ________ She knew that she needed to get out of the jungle. Juliane didn't have the right clothes for a journey like this – she had a miniskirt! – but she knew a lot about the jungle. Her parents were scientists. They studied the jungle n Peru, and the jungle was Juiane's home when she was a young child. (4) ________ When she found water, she followed it and soon came to a river. She knew that there were often villages near a river. But it wasn't an easy journey for her. (5) ________ She often had to walk or swim through dangerous water, full of crocodiles. People flew over in a small planes to look for survivors from the accident. (6) ________ Two days later, Juiane Koepke walked out of the jungle, very hungry and tired, but alive! Fifteen year later, Werner Herzog went to Peru and made a film about Juliane Koepke's amazing journey.

1. hiệp định pải được kí ở đâu? 2. Ai là người đại diện cho phía Cách mạng Việt Nam đạt bút ký vào văn bản Hiệp định Pa –ri lúc bấy giờ ? 3. Hãy nêu các điểm cơ bản của Hiệp định Pa-ri ? 4. Hòan cảnh của Mĩ năm 1973 có điểm gì giống nhau so với hoàn cảnh của Pháp 1954? 5. Nội dung Hiệp định Pa-ri cho ta thấy Mĩ đã thừa nhận điều quan trọng gì ?

giải đc xin cảm ơn và hâụ tạ 5 star and bonus thêm lời giải hay lun ạ Bài 1: Cân bằng các PTHH sau: 1) CO2 + Ba(OH)2 → BaCO3 + H2O 2) Na3PO4 + Ba(OH)2 → Ba3(PO4)2↓ + NaOH 3) CuSO4 + Na2S → CuS↓ + Na2SO4 4) MgCO3 + HCl → MgCl2 + CO2 + H2O 5) Ca(NO3)2 + Na2CO3 → CaCO3↓ + NaNO3 6) Fe + Cl2 → FeCl3 7) Fe(OH)3 + H2SO4 → Fe2(SO4)3 + H2O 8) FeCl3 + KOH → KCl + Fe(OH)3↓ 9) H2SO4 + Na2SO3 → Na2SO4 + SO2 + H2O 10) Na2CO3 + Mg(NO3)2 → MgCO3 + NaNO3 11) NaCl + AgNO3 → NaNO3 + AgCl 12) NH4NO3 + Ba(OH)2→Ba(NO3)2 + NH3 + H2O 13) MgCl2 + KOH → KCl + Mg(OH)2 14) Al(OH)3 +HCl → AlCl3 + H2O 15) CuCl2 + NaOH → NaCl + Cu(OH)2 16) SO2 + KOH → K2SO3 + H2O 17) NaOH + Fe2(SO4)3 → Fe(OH)3 + Na2SO4 18) SO3 + Ba(OH)2 → Ba(HSO4)2 19) Al(NO3)3 + K3PO4 → AlPO4 + KNO3 20) Al + HCl → AlCl3 + H2 Bài 2: Viết PTPƯHH xảy ra giữa oxi lần lượt với các chất sau: Mg, Al, P, S, C2H4, C2H6O, ghi rõ điều kiện phản ứng. Bài 3: Cho các oxit sau: CO2, SO3, CaO, Fe2O3, MnO2, NO2, P2O5, CuO, Al2O3, BaO. Hãy gọi tên và phân loại các oxit trên. Bài 4: Đốt cháy 5,4 gam nhôm trong bình đựng 4,48 lít khí oxi (đktc) tạo thành chất rắn là nhôm oxit Al2O3. a/ Chất nào dư sau phản ứng? Dư bao nhiêu gam? b/ Có bao nhiêu gam nhôm oxit tạo thành? Bài 5: Tính thể tích khí oxi cần thiết để đốt cháy hoàn toàn khí metan CH4 có trong 1m3 khí chứa 2% tạp chất không cháy. Các thể tích khí được đo ở đktc.

Give the correct form of the word given to complete the sentence. 1. I was _____________ furious with her. (ABSOLUTE) 2. After the hurricane the country faced the _________ task of reconstruction. (AWE) 3. The airfield was bathed in the _____________ glow of a searchlight. (GHOST) 4. There is a _____________ look in her eyes. (HAUNT) 5. John Lennon gained status following his death. (ICON) 6. Their dedication and Christian charity had made them a _____________figure. (LEGEND) 7. The president made an _____________ visit to Tokyo in March. (OFFICE) 8. It's quite a _____________ film. (PUZZLE) 9. TV _________ know what people want to watch on Sunday nights. (SCHEDULE) 10. She was a _____________ gifted technician. (UNIQUE) 11. The maple tree is one of the most _____________images of Canada. (ICON) 12. Visiting New Zealand, you will have a chance to see a lot of _____________ landscapes. (SCENERY) 13. English is the _____________language of many countries in the world. (OFFICE) 14. Scotland is very famous to the world for its rich culture as well as its_____________ beauty. (NATURE) 15. The castle looks as charming as a lady with _____________ beauty. (END) 16. The Canadians are native_____________ of English. (SPEAK) 17. English is an_____________ language of France. (OFFICIAL) 18. Jenny_____________ loves the koala in Australia.(absolute) (ABSOLUTE) 19. The violation of that company was_____________yesterday. (EXPOSURE) 20. Do storm water and the atmosphere bring non- point source _____________? (POLLUTION)

để xóa một vài kí tự em dùng phím nào

Hãy cho biết câu văn dưới là câu đơn hay câu ghép xác định CN VN của nó : Làn gió nhẹ chạy qua , những chiếc lá lay động như những đốm lửa vàng , lửa đỏ bập bùng cháy

M.n làm hộ em với em cần gấp ạ😭😭

Điểm ..............là điểm thuộc đoạn thẳng AB nếu AK ≠.....=AB

viết các tổng sau dưới dạng tích c)4x.(y-4)-3.(4-y) d)xy+2x+y+2