Đốt cháy hỗn hợp 2 ankin đồng đẳng liên tiếp có khối lượng là 4,3g thu được 8,96 lít CO2 - Tìm CTPT của 2 ankin - Cho hỗn hợp trên vào dd AgNO3/NH3 t°---> bao nhiêu mg kết tủa?

Giúp mk vs ak mk đang cần gấp cảm ơn mn nhìu ạk😀

Mọi người giúp mình với II. Complete the sentences with present participle or past participle form of the verb in brackets. 1. The film wasn't as good as we had expected. (disappoint) a. The film was _________________________ . b. We were ________________________ with the film. 2. Diana teaches young children. It's a very hard job but she enjoys it.(exhaust) a. She enjoys her job but it is often ______________________ . b. At the end of a day's work, she is often _______________________ . 3. It's been raining all day. I hate this weather. (depress) a. This weather is _____________________ . b. This weather makes me ______________________ . c. It's silly to get ____________________ because of the weather. 4. Clare is going to the United States next month. She has never been there before. (excite) a. It will be an ________________ experience for her. b. Going to new places is always ________________ . c. She is really __________________ about going to the United States III. Complete the sentences with although/in spite of/because/because of 1 Although it rained a lot, we enjoyed our holiday. 2 a, ……………………..... all our careful plans, a lot of things went wrong. b, ………………... we'd phoned everything carefully, a lot of things went wrong. 3 a, I went home early ……………….……... I was feeling unwell. b, I went to work the next day………………… .... I was still feeling unwell. 4 a, She only accepted the job ....................................... the salary, which was very high. b, She accepted the job ……………………………….. the salary, which was rather low. 5 a, I managed to get to sleep ………………………... there was a lot of noise. b, I couldn't get to sleep ………………………………...... the noise.

Xác định a,b,c,d biết: a) (ax^2+bx+c).(x+3)=x^3+2x^2-3x với tx b x^4+x^3+x^2+ax+b=(x^2+x-2).(x^2+cx+d) với tx

1)“Can I see your driving licence, Lan” asked the police officer The police officer asked Lan 2)“ Do you finish your assignment, boys?” asked the teacher The teacher asked boys 3)“ Do your exercises carefully, Tam” asked the teacher The teacher asked Tam 4) in the future/ would use/ The interviewer/ my English language/ what I/ asked me/ for (sắp xếp câu) 5) Many doctors want to see a law banning all tobacco ____________________. (advertise)

Làm mấy bài hightlight nha làm nhanh lên mình gửi lần thứ 2 rồi mà chưa có ai trả lời giúp đi nhớ vẽ hình nhá ai làm đc tớ vote cho 5* luôn

Các bạn chia giúp mình phép này LÀM TỪNG BƯỚC RA GIẤY RỒI CHỤP ẢNH GỬI CHO MINH NHÉ. MÌNH CẢM ƠN ^;^

He started his ________ when he was 20 years old. A. congratulation B. athlete C. career D. achievement 2. Tiger Woods is ________ as one of the most famous golf players. A. regarded B. looked C. become D. thought 3. ________! You’ve passed the exam. A. Thank you B. Never mind C. Congratulations D. You’re welcome 4. She was totally ________ after finishing her performance. A. exhausted B. fantastic C. exciting D. stressful 5. Doing morning exercise keeps us ________ every day. A. tired B. fat C. fit D. bored 6. They have joined many activities like sailing, cycling, fishing and football. They are very ________. A. sporty B. strange C. crazy D. helpless 7. Many football competitions are held at My Dinh ________. A. Square B. House C. Building D. Stadium 8. Don’t forget to bring your ________ to climb a mountain. A. bat B. sport shoes C. sandals D. goggles 9. The children are playing blind man’s bluff in the ________. A. court B. pool C. playground D. roof 10.In a ________ match, players will try to kick the ball to the other team’s goal to score. A. basketball B. football C. volleyball D. swimming

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MN ƠI GIẢI GIÚP E CÂU 2 VỚI AK E CẢM ƠN