Nhiệt phân hủy 24,5 gam KClO3 thu được bao nhiêu lít khí O2 (đktc), biết hiệu suất của phản ứng chỉ đạt 90%.

Thuyết minh về danh lam thắng cảnh ở thừa thiên huế (ko chép mạng nhé)

một cái thùng ko nắp dạng hình hộp chữ nhật cao 0.5 m có chiều rộng bằng 3/5 chiều dài và kém chiều dài là 0.8 m . Người ta sơn tất cả mặt ngoài của thùng .Biết cứ sơn 2 m2 thị tốn 0.5 kg sơn .Hỏi người ta dùng hết bao nhiêu ki lô gam sơn?

Cho em hỏi các idol bản dịch của ''Arctic Circle'' là gì ạ? Trả lời cẩn thận một tí!!!

c. HOẠT ĐONG LUYỆN TẬP chue riển 1. Chiếu được dùng để ban bố mệnh lệnh của nhà vua nhưng trong Chiếu dời đô lại có những doạn mang tính chất đối thoại, tâm tình. Điều này có mâu thuẫn không ? Vì sao ? Giúp mình với mình cần gấp K copy mạng nha

trong giao tiếp trường hợp nào ta nên thay các từ địa phương bằng những từ toàn dân

cho tam giác ABC vuông tại A, góc B=30°.a.Tính số đo góc C;b.So sánh các cạnh của tam giác ABC;c.C/m AC=1/2 BC

Giúp với mọi người ơi ! Em cần gấp lắm!

Giúp mik Câu c với d thôi nha D thôi cũng đc Nhanh nha các bn

Give the correct form of the words in brackets to complete the sentences. 1. Vietnam declared its ________ on September 2nd, 1945. (DEPEND) 2. The phone doesn’t work. It’s been _________. (CONNECT) 3. It was a complete _________ due to poor planning. (FAIL) 4. He cycled _________ and had an accident. (CARE) 5. He is thinking of taking early _________ next year. (RETIRE) 6. I am afraid you have _________ me because that is not what I meant. (UNDERSTAND) 7. It is said that the _________ of a Swiss watch is perfect. (PRECISE) 8. Television can make things more ________ because it brings both sounds and pictures. (MEMORY) 9. A famous pianist was _________ for seven years. (PRISON) 10. He’s an expert in technology. We call him a _________. (TECHNIQUE) Fill in each numbered blank with one suitable word. In Britain there is a holiday now which people call Mother’s Day. In the old days many girls from working-class (1) ......... in towns and cities and from farmers’ families in the country worked in rich houses. They had to do all the (2) ......... and their working day was usually very long, they often (3) ........... on Sundays, too. Once a year, it was usually (4) ........... Sunday in March, they could visit their mothers. They went home on that day and (5) ......... presents for their mothers and for (6) ........ members of their families. They could stay at home only one day, and then they went (7) .......... to their work. People call that day Mothering Day (8) ........... Mothering Sunday. Later workers at the factories and girls (9) ......... worked in the houses of rich families received one free day a week, and Mothering Day became Mother’s Day. It is (10) .......... last Sunday in March. se the word given in brackets and make any necessary additions to write a new sentence in such a way that it is as similar as possible in meaning to the original sentence. Do not change the form of the given word. 1. “Do you realize what the time is, Steve?” asked Chris. (what) → .............................................................................................................................................................. 2. I met her while I was staying in Paris last summer. (stay) → .............................................................................................................................................................. 3. Susan was too excited to sleep. (that) → .............................................................................................................................................................. 4. Sandra said that she was willing to work late. (mind) → .............................................................................................................................................................. 5. The coins are believed to be buried for safe-keeping. (It) → ..............................................................................................................................................................