Cho 6 gam kẽm hạt vào một cốc đựng 150 ml dung dịch HCl 2M (dư) ở nhiệt độ thường. Nếu giữ nguyên các điều kiện khác, chỉ thay đổi một trong các điều kiện sau đây thì tốc độ phản ứng sẽ tăng khi

Giúp mình ik các bạn 1. They drive carelessly. They get some problems. Unless 2. We don’t have enough money, so we won’t buy those new comics. If 3. She is not free today, so she can’t go skiing If 4. He is so lazy. He fails in the final exam. Unless 5. The weather is not fine. The children won’t play out doors. If 6. She’s not fond of cooking. She doesn’t know how to fry eggs. If 7. Thu cannot swim, so she doesn’t play water sports If 8. Lan has a lot of homework, so she doesn’t watch TV. Unless 9. There is gravity, so people have weight. Unless 10. It doesn’t snow, so we won’t go skiing. If 11. Today isn’t New Year Day, so we don’t wear new clothes. If 12. It’s not sunny today, so the farmer cannot dry their rice. If 13. She doesn’t keep the refrigerator door closed, so she cannot save the energy. If 14. The students miss the school bus so they are late for school. Unless 15. She isn’t happy. She doesn’t get good marks. If 16. The coffee is hot, so my mother can’t drink it. Unless 17. Hoa doesn’t live with her parents. She misses them. If 18. Phong isn’t tall enough to reach the top of the shelf. If 19. Ba isn’t fast enough to catch the school bus. If 20. Tam isn’t strong enough to lift that heavy box. If 21. Thu doesn’t run fast enough. She doesn’t win the race. If 22. These children don’t drink milk. They are not tall and healthy. If 23. People use so much oil that there will be a shortage of oil in the future. Unless 24. The girls are not skillful enough to make dresses for their dolls. If 25. I don’t have an alarm clock, so I am late for school. If 26 -She loves him so she forgives him easily. Unless

giúp mình hết đề luôn ạ và làm theo kiểu tự luận

Có bao nhiêu tam giác tù có độ dài các cạnh là các số nguyên và có chu vi bằng 50.

giúp mình hết đè được ko làm giùm mình theo kiểu tự luận mình đang cần gấp

Quy đồng phân số `9/4` và `7/2`

đầy đủ các bước hộ m nha 5sao + ctl hay nhất

CMR:A= 1 phần 3+ 2 phần3^2+3 phần 3^3+4 phần 3^4+5 phần 3^5+...+102 phần 3^102< 3 phần 4

có giải thích 3 câu!!!!!!!!!!!!!!!

1. “Can you carry these chairs into the house” → Mrs Lan asked me ……………………………………………………………. 2. “Please give me your book.” → He told me ……………………………………………………………………. 3. “You shouldn’t make noise in class.” → The teacher said ………………………………………………………………. 4. “Can you help Tam with his English pronunciation?” → Mr Hung asked me …………………………………………………………… 5. My hobbies are playing sports and reading books. → I love …………………………………………………………………………. 6. She was born on May 10th, 1996. → Her birthday ………………………………………………………………….. 7. Nga must wash the dishes everyday. → Nga has ……………………………………………………………………….. 8. We began to study English 4 years ago → We have ………………………………………………………………………. 9. No one in class is as tall as Tam. → Tam is the …………………………………………………………………….. 10. Women often did the house work without the help of modern equipment in the past. → In the past women used