Nung nóng `2,45g` muối vô cơ `A` thu đc `672ml` `O_2` và `B` rắn, trong `B` gồm `52,35%K` và `47,65%Cl`. Tìm CTHH của `A` và gọi tên

1 xe máy lên dốc từ A đến B vận tốc 25km/ giờ. Nghỉ lại B 1giờ, sau đó trở về A với vận tốc gấp đôi lúc đi. Tính quãng đường AB biết thời gian cả đi, nghỉ và về là 7 giờ.

Viết kết bài mở rộng dài cực hay về mẹ, ko đc lên lấy trên mạng nhé

Vẽ hình này 🌏🌏🌏🌏🌏🌏🌏🌏🌏🌏🌏🌏🌏🌏🌏🌏🌏🌏🌏

Viết đoạn văn về Tell about your meals in a day ? Giúp mk vs ạ

vẽ tranh phong cảnh hoạt hình, full màu Yc: đẹp, chỉnh chu và có tâm :3 không vẽ loa hoa cho có đúng luật nhạc họa

4. She lives in a little house on Cross Street. The house 6. She's excited at the chance to share what she's learned with others.. She is looking 7. He has eaten an enormous breakfast, but he managed to eat a big lunch Despite 8. We haven’t visited Hanoi for two years. We last paid 9. Save electricity, or else you will pay much per month. You won’t pay 10. Don't forget to save your work regularly or you will loose your data If you 11. Bin stores the data on a hard disk and backs up on a floppy disk The data 12. In spite of the heavy rain, we could get to work in time Although 13. We can’t drink the coffee because it is extremely strong. The coffee is too 14. If I were you, I would take a taxi. I suggested that 15. Mai said to Tom: “you win your race perfectly” Mai congratulated 16. She thinks she knows everything about raising children, but I could tell her a thing or two. She thinks everything about raising children 17. She said to me “ My jeans are more beautiful than mine” She said to me that my jeans 18. The government of Vietnam has approved COVID-19 vaccine for emergency use in Vietnam COVID-19 19. Nowadays young women are more fashionable than they were some years Some years back young 20. Business is always slow during those months because everyone's on holiday. Everyone giuppppppppppppppp tuiiiiiiiiiiiiiiiiiiiii

Give the correct form of the words given to complete the sentences: 1. The street doesn't look ......................... because it has a lot of rubbish. ( ATTRACT) 2. Are all types of pollution .......................... to the health of humans and animals? ( HARM) 3. The ...................... are concerned about the oil spills in East Sea. ( ENVIRONMENT) 4. If we use water ........................ , more people will have fresh water. ( CARE) 5. The polluted water results in the ...................... of many aquatic animals and plants. ( DIE) Làm và giải thích hộ nhé !

Giúp mik với mình cần gấp ngay bây giờ ạ. Cảm ơn nhiều

vẽ time (vẽ đúng như trong hình, có màu hay ko cũng đc, vẽ bằng j cũng dc)