Tính khối lượng C cần dùng để đốt cháy trong Oxi để tạo ra được 13,44 lít hỗn hợp khí CO và CO2 có tỷ khối so với H2 là 19,3333.

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II. Bài tập chuyển đổi Because - Because of & Though/ Although - Despite/ In spite of Viết lại câu sao cho nghĩa không thay đổi 1. Although Nam is not an intelligent student, he can learn very fast. => Despite/ In spite of______________________________________. 2. Because Hoa was rich, she could buy that house. => Because of______________________________________. 3. Because the rain was so heavy, I couldn't go to school. => Because of______________________________________. 4. His father asked him to go stay at home because he was sick. => Because of______________________________________. 5. Because there was an accident, I was late. => Because of______________________________________. 6. She failed the University entrance exam because her grades were bad. => Because of______________________________________________. 7. Although he has a physical handicap, he has become a successful businessman. => Despite__________________________________________________________. 8. Because of the cheap price, my wife insists on buying theTivi. => Because______________________________________. 9. Although it was raining heavily, we still went toschool. => Despite/ In spite of______________________________________. 10. Because I studied hard, I passed the exam. => Because of____________________________________________. 11. Although she was ill, she went to school. - In spite of.................................................................................................................................... 12. He didn’t come because he was sick. - He didn’t come because of......................................................................................................... 13. She didn’t eat much though she was hungry. - Despite........................................................................................................................................ 14. The train was late because the fog was thick. - Because of......................................................................................................