Áp suất của khí trơ trong 1 bóng điện sẽ thêm 0,44atm khi đèn bật sáng.Biết nhiệt độ của khí đó đã tăng từ 27ºC đến 267ºC .Tìm áp suất khí trong đèn ở nhiệt độ 27ºC.

giúp mik với ạ chỉ có 1 ý thôi !!! trả lời chi tiết giùm với ạ mik sẽ vote 5* cho !!!!

đừng chép mạng Viết 1 đoạn văn ngắn (từ 5-> 7 câu) có chủ đề tự chọn,trong đoạn văn đó có sử dụng câu cảm thán (gạch chân những từ ngữ cảm thán đó

Vẽ giúp mik hình này vs Ko càn màu cx dc

Mn ơi lm hộ mik gạch đầu dòng t2 vs bài gửi cùng vs ạ Mik c. Ơn mn nhìu do mik có 10đ thui mik ns tht. Ns láo lm chó

3x1/x-1 - 2x+5/x-3 =1 mn giúp với

8.Pelé was born ___________ October 21st, 1940. in on at by 9.We have a test on Monday, ___________ I will have to study this weekend and but so because 10.Have you ever ___________ aerobics? Aerobic exercise can help you to lose weight. played done gone got

mong thầy cô giúp em giải bài tập này ạ!

B.) Nam likes sugar and sweet things. He often has ice-cream and chocolate cake after meals, but he only cleans his teeth once a day. He doesn’t like going to the dentist. Yesterday, Nam went to see the dentist because he had a terrible toothache. The dentist filled his tooth and gave him some medicine. He also asked Nam many questions about his food. The dentist told him not eat too much sugar and he should brush his teeth after meals. 1. Answer the questions: a. What does Nam often eat after meals? ………………………………………………………………… b. How often does he clean his teeth? …………………………………………………………… c. Why did he go to the dentist yesterday? ……………………………................................................ d. did the dentist give Nam some medicine? ……………………………………………………………….......... e. What did the dentist tell him? …………………………………………………………………………………… f. Does he eat ice-cream and chocolate cake after meals? ………………………………………………………………………………….. Read and decide true (T)or false (F) ? (Chọn câu trả lời đúng(T) hoặc sai(F) ) f. Nam doesn’t like sugar and sweet things g. He usually goes to the dentist C. A French oceanographer, Jacques Cousteau (1910-1997), invented a deep-sea diving vessel in the early 1940s. In the vessel, he could explore the oceans of the world and study underwater life. Now we can explore the oceans using special cameras as well. We can learn more about the undersea world thanks to this invention. * Answer the questions (Trả lời câu hỏi): 1. What does Jacques Cousteau do ? ……………………………………………..................... 2. What did he invent? ……………………………………………............. 3. Was Jacques Cousteau born in 1910 ? ……………………………………………………………….. 4. What could he do in the vessel? …………………………………………………………………………………. * True (T) or False (F) 5. He died in 1910. 6. Thanks to his invention, we can learn more about the undersea world 7. We can’t explore the oceans using special cameras

Hãy vẽ và trình bày cách vẽ chùm tia phản xạ ứng với chùm