user-avatar
nnhingoc193
2 năm trước
1a/........+............---to-->CO2+H2O b/C2H2+Br2(dư)---H2O---> c/...........+O2---to--->CO2+H2O 2/Viết pt hóa học xảy ra khi cho C2H6 tác dung với Clo khi có ánh sáng. 3/Dẫn 28 lit hh khí Metan và etylen phản ứng vừa đủ với 500ml dd Br 1M thu đc Đibrometan a/Tính thành phần % kluong mỗi chất trong hh ban đầu b/Tính thể tích O2 cần dùng để đót hết hh trên(các khí đều đo ở dktc)
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Exercise 1: Mark the stress on the correct syllable in the words below. 1. ecology 2. psychology 3. artistic 4. economic 5. logical 6. radiography 7. addressee 8. employee 9. volcanology 10. guarantee Exercise 2: Complete the sentences, using the correct form of the words in brackets. 1. Tsunami is a Japanese term for an unusually large ocean wave caused by undersea earthquake, landslide, or volcanic ______________________ (erupt) 2. _______________ of the deadly Nepal earthquake have told the horror of the moment when it struck, leaving more than 3,000 dead. (survive) 3. A website in Pakistan is helping coordinate the ________________ of aid in the flood disater. (provide) 4. During a volcano, you should follow the ___________________ order issued by authorities. (evacuate) 5. Thunderstorms can be ___________________, while tornadoes, and lightning can be life threatening. (destroy) Exercise 3: Fill in each blank with ONE suitable word. Drought Drought occurs when there is a (1)___________________ of rainfall over a long period of time, resulting in water shortages for groups of people, activities or the (2)________________. Droughts have a significant effect (3)_____________________ agriculture and can harm the economy. Water vapour needs to rise high through the atmosphere in order to form clouds. However, in (4)____________________ of high pressure, water vapour does not rise and no rain or clouds will form. When the high pressure stays in an area for a prolonged length of (5)______________________, the result is drought. Mn ơi giúp em với em đang cần gấp ai nhanh nhất sẽ cho 5 vote

CHIA THÌ TIẾNG ANH-Lop 5 1. Every morning, Linda (get)………......up at 6. She (have) …………… Breakfast at 6:10. After breakfast, she (brush) …………..her teeth. She (go) ……………..to school at 6:30. She (have) ……………lunch at 11:30 at school. 2. We (watch) ……………..…….T.V every morning. 3. I (do) ……………………my homework every afternoon. 4. Mai and Lan (play) ………………….games after school. 5. Vy (listen) ………………to music every night. 6. Where (be) ………………..your father now? He (read) ………………..a newspaper. 7. What ………….you (do) ………………? I (be) ……….a student. 8. Where ………….you (go) ……………….now? I (go) ………………to the market. 9. She is cooking and we (do) ……………………..the housework. 10. He isn`t in the room. He (play) ………………..in the garden. 11. Look! The birds (fly) …………………………. 12. I (go) ………………….to school by bus every day, but today I (go) ………………………..to school by bike. 13. Listen! Mai (sing) …………………………. 14. They (play) ………………………volleyball every afternoon. They (play) ……………………volleyball now. 15. Mai (brush)………………..her teeth every morning. She (brush) ………………..…her teeth now. 16. Listen! Lan (play) ……………………….the piano. 17. Mai (be) ………………….tired now. 18. It is 6:00 p.m. Mary is at home. She (have) ………………….. dinner with her family around six o’clock. 19. Where is your father? He is upstairs. He (watch) ………………T.V. He always (watch) ………………………..T.V at night. 20. Our teacher (live) ……………………..on Quang Trung street.

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team