đốt cháy hết 6,2 gam photpho trung bình chứa oxit thu được hợp chất có công thức P2O5. a. tích thể tích khí oxi cần dùng ở đktc? b. tính khối lượng sản phẩm P205 thu đc sau phản ứng ? GIÚP MÌNH VỚI MN

Giúp mình với mình đang cần gấp huhu ghi các phản ứng, hiện tượng xảy ra của các thí nghiệm đơn chất halogen này với!!

giúp em những câu trắc nghiệm này với ạ !!!!!! em đang gấp lắm ạ

Nêu Nội dung cơ bản của kế hoạch na va của pháp và mĩ

Are you planning your next trip? Then why not visit London? London is one of the most exciting cities in the world. Sights and attractions There are lots of things to see and do in London. Walk around the centre and see famous (1)…………. like Big Ben and Westminster Abbey. Visit the Tower of London where England’s kings and queens lived. Go to Buckingham Palace at 11:30 and (2)…………. the famous ‘Changing of the Guard’ ceremony. And don’t miss London’s art galleries and museums - (3)……….… are free to get into! Shopping There are over 40,000 shops in London. Oxford Street is Europe’s (4)………………. high street with over 300 shops. Eating With over 270 nationalities in London, you can try food from just about every country in the world. Make sure you try the UK’s most famous dish - fish and chips! Getting around London has a quick underground train system (the ‘tube’ as the locals call it). (5)……… are also the famous red ‘double-decker’ buses. The tube is quicker, but you will see more of London from a bus! 11. A. sights B. landscapes C. landmarks D. facts 12. A. notice B. see C. realize D. take 13. A. lots B. much C. more D. most 14. A. busy B. busier C. busiest D. the busiest 15. A. They B. There C. These D. Those

Viết thành đoạn văn giúp mk với mình cần gấp

Choose the words ( from A, B, C or D ) to complete the sentences. 3. Have you ever ……………… aerobics? Aerobic exercise can help you to lose weight. A. played B. done C. gone D. got 4. Angkor in Cambodia has been listed as a UNESCO World…………………..…………. A. Wonder B. Common C. Country D. Heritage 5. I really love living in Montreal ……… there are so many places to visit that are nearby. A. but B. so C. because D. although 6. The red double-decker bus is London's famous………………………………..………... A. sign B. signal C. symbol D. logo 7. I have never seen such a strange ……………..……….. It has green color and big eyes. A. palace B. continent C. creature D. time 8. When we were in Stockholm, we had coffee and cakes …………..….…. a coffee shop ………..……..the Old Town. A. on - on B. at - at C. in - in D. on - at 9. Gustave Eiffel was well-known for …………………………….…………. Eiffel tower. A. design B. designing C. to design D. designed 10. London is one of the most interesting city I ……………………………….. ……………… A. ever visit B. have ever visited C. ever visited D. will ever visit

Hấp thụ 8,96 lít H2S (dktc) vào 500ml dung dịch KOH 1,2M. Sau phản ứng thu được dung dịch X a, Cho biết dung dịch X chứa chất nào b, Tính khối lượng muối có trong X

1. Choose the word whose underlined part is pronounced differently from that of the others in each group. A. knight B. night C. five D. skip 2. Choose the word whose main stressed syllable is placed differently from that of the others in each group. A. design B. postcard C. impose D. discover

Nơi hẹp nhất lãnh thổ Việt Nam thuộc tỉnh nào sau đây?