user-avatar
26diem
2 năm trước
6. Tìm CTPT của các andehit sau: a. Đốt cháy hoàn toàn 5,8 gam 1 andehit no đơn thu được 0,3 mol CO2. b. Đốt cháy 1 andehit no đơn cần 5,6 lít O2 (đktc) thu được 3,6 gam H2O. c. Đốt 0,1 mol andehit no đơn thu được tổng khối lượng nước và CO2 là 18,6g. giúp em với ạ
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Help mik ai nhanh nhất cho ctlhn vs sao II. Read the passages below and answer the following questions. (1 pt) Sweden’s capital city is built on 14 islands and has a 700 year-old history. The oldest part of Stockholm is the Old Town. Here you can visit the Royal Palace, one of Europe’s largest and most dynamic palaces. There are about 3,000 people living in the Old Town today and it’s a place with café, restaurants, shops and museums, including The Nobel Museum. Stockholm is also the city where Nobel Prize, except for Nobel Peace Prize, is awarded each year. On the 10 December, the day when Alfred Nobel died, the Nobel Prize winners receive their awards from the Swedish King - a Nobel diploma, a medal, and 10 million Swedish crowns per prize. 1.What is the oldest part of Stockholm? 2. How many people are there living in the Old Town today? 3. Are there shops and museums in the Old Town? 4. How often is the Nobel Prize awarded? D. WRITING (1.5 pts) I. Reorder the following words to make meaningful sentences. (0.75 pt) 1. I / been / have / three times. / Hanoi / to => …………………………………………………………. 2. did / Where / play / you / badminton / yesterday? => …………………………………………………………. 3. the future / robots / able to / be/ will/ In/ we/ say. / what/ understand => …………………………………………………………. II. Rewrite the following sentences in the way that it has the same meaning as the first ones. (0.75pt) 1. You won’t pass the exam unless you study harder. => If .......................................... 2. It’s the first time that I have ever talked to a foreigner. => I have ................................... 3. Although Peter was sick, he continued to study his lesson. => In spite of ..........................  E. SPEAKING (2.0 pts)

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