Khí cacbon oxit có tính khử . Khí cacbon oxit cháy trong oxi tạo thành cacbondioxit. HỗnhợpkhíXgồmCOvàO2 códX/H2 là14,5. a. Tính %V mỗi khí trong hỗn hợp X. b. Bật tia lửa điện để đốt 2,24 lít khí X (đktc) thì thu được hỗn hợp khí Y có d Y/H2 = 18,125. Tính V mỗi khí trong Y. Giúp mik với ạ! Alo giups minhf voiws

Mn giải phụ vs 😅 mik lu bu mấy bựa h bệnhkhông học được

11. People believe that he was killed by terrorists. He ____________________________________________ 12. We knew that you were in town on the night of the crime. You _____________________________________________ 13. Journalists supposed that the footballer Wayne Johnson was earning £10 million a year. The footballer Wayne Johnson __________________________ 14. It is said that there is a secret tunnel between those two houses. There _____________________________________________ 15. We know that they lives in a small flat on the fifth floor. They_______________________________________________ giải thích hộ em với

Cho 2 điện trở,nếu mắc song song thì điện trở tương đương nhỏ hơn bốn lần so với mắc nối tiếp.So sánh giá trị của các điện trở

mng giúp em với...------------------------------

Cần gấp Cần làm bài đúng và chi tiết!

6. Someone reported that the President had suffered a heart attack. The President ___________________________________ 7. They think that the prisoner escaped by climbing over a wall. The prisoner ____________________________________ 8. It is reported that the buildings have been badly damaged by fire. The buildings __________________________________ 9. It is reported that many people are homeless after the floods. Many people ____________________________________ 10. We all expected Marta would pass her driving test. Marta _________________________________________ giải thích giúp em với, pls

chuyên gia tiếng anh giúp em vs khi lm ghi rõ công thức đầy đủ thiếu công thức báo mod xóa ráng chịu ____________________ Ex1: cirle the best answer 1) Henry as well as his sister ( like / likes ) Vietnamese food. 2) He (is / are) my boss and friend 3) Cycling ( is / are ) my favorite form of exercise 4) The twins and their parents ( travel / travels ) toghether 5) Nobody ( believe / believes) your story 6) Our team ( play / plays ) well every match 7) Either Susan or you ( is / are) going to clean this up 8) The world ( change / changes ) so fast that we can hardly keen up 9) People who ( live / lives ) in poverty often don't even have a television 10) To me, life ( is / are) very simple 11) Traditionally ,colleage students ( has / have) been very active in social activities

Cho 3 điện tích điểm q1=q2=4uC=-q3 lần lượt đặt tại 3 đỉnh tam giác ABC đều cạnh a=10cm trong không khí . Xác định lực tác dụng lên mỗi điện tích

1. they __________the bus yesterday a,don't b,weren't catch c,didn't catch d,not catch 2. My sister______________home late last night a,comes b,come c, came d,was come 3.mu father________tired when I_________home a,was -got b,is-get c,was-getted d,were-got 4.what____________you__________two days ago? a,do-do b,did-did c,do-did d,did-do 5where________your family___________on the summer holiday last year? a,do-go b,does -go c,did-go d,did-went