đun 5,85 g nacl với lượng dư H2SO4 đặc ở 250 độ C. Hiệu suất phản ứng đạt 90%.Dẫn hết khí HCl sinh ra qua bình dựng dung dịch AgNO3 dư thu được m gam kết tủa.Tính m

Giúp mình câu 9 nha Mình vote 5*

tính m CO2 sinh ra khi đốt 6g C trong bình chứa 13,44 lít O2 (đktc)

C. READING I. Fill in each gap with a suitable word from the box left - beautiful - is - brother - quiet - old - trees - neighborhood - garden - behind Chi lives in a small village with her father, mother and her (1) ........................ . She lives in an (2) ........................ house. There is a (3) ........................ in front of the house. In the garden, there are (4) ........................ flowers. There are mountains (5) ........................ the house. To the (6) ......................... of the house, there (7) ........................ a well. To the right of the house, there are (8) ........................ . In the (9) ........................, there are lakes, paddies fields, and a river. It’s very (10) ........................ . II. Fill in each gap with a suitable word from the box breakfast - bed - watch - get - home - play - past - evening - go - do My name is Nam. Every morning, I (1) ........................ up at six o’clock. At six fifteen I have (2) ........................ then I (3) ........................ to school. At half (4) ........................ eleven I go (5) ......................... In the afternoon, I (6) ........................ games and (7) ........................ the housework. In the (8) ........................, I do my homework then I (9) ........................ television. I go to (10) ........................ at nine thirty. III. Read the text Miss Hoa teaches at a school. She gets up at five thirty. Every morning, she leaves the house at a quarter past six. The school is not near her house, so she travels to work by motorbike. Her classes starts at seven and ends at eleven. She goes home and has lunch with her parents at twelve. 1. Decide which sentence is true (T) or false (F): ……… 1. Miss Hoa is a teacher. ……… 2. She gets up at half past five. ……… 3. She goes to work at six fifteen. ……… 4. Her house is near her school. ……… 5. She walks to work. ……… 6. She has classes from seven to eleven. ……… 7. She has lunch at home. 2. Answer the questions: 1. Does Miss Hoa go to work in the morning? ……………………………………..…………………………… 2. How does she go to work? …………………………………………………………………….……………… 3. What time does her class start? ……………………………………………………………………………….. 4. What time does it end? ………………………………………………………………………………………... IV. Read the text I’m Thu. I’m in grade six. My school is in the city. It’s a big school. There are seventy-eight teachers and there are over nine hundred students. My school has three floors. There are twenty-five classrooms. My classroom is on the third floor. There are forty students in my class. 1. Decide which sentence is true (T) or false (F): ……… 1. Thu is a student. ……… 2. Her school is big. ……… 3. There are three floors in her school. ……… 4. Her school has 29 classrooms. 2. Answer the questions: 1. Where is Thu’s school? ……………………………………………………………………….……………….. 2. Is her school big or small? ……………………………………………………………………………………... 3. How many floors does her school have? …………………………………………………….………………… 4. Is her classroom on the 1 st floor? ………………………………………………………………………………. 5. Are there over 900 students in her school? …………………………………………………………………….. 6. How many students are there in her class? ……………………………………….……………………………. V. Read the passage then anwer the questions: I’m Ly. I’m tall. I’m light but I’m not weak. I’m strong. I have an oval face. I have short brown hair. I have brown eyes. I have a small nose. I have full lips and small white teeth. 1. Is Ly strong or weak? …………………………………………………………………………………………………………………… ……………………………………… 2. Is her face round or oval? …………………………………………………………………………………………………………………… ………………………………. 3. What color is her hair? …………………………………………………………………………………………………………………… …………………………………….. 4. Does she have black eyes? …………………………………………………………………………………………………………………… ……………………………. 5. Is her nose big or small? …………………………………………………………………………………………………………………… …………………………………. 6. Are her lips full? …………………………………………………………………………………………………………………… ………………………………………………… VI. Read the dialogue then answer the questions: Nam: How do you feel, Lan? Lan: I’m hot and I’m thirsty. Nam: What would you like? Lan: I’d like some orange juice. What about you? Nam: I’m hungry. I’d like some noodles. What about you, Ba? Would you like noodles? Ba: No, I wouldn’t. I’m tired. I’d like to sit down. Nam: Would you like noodles, Nga? Nga: No, I wouldn’t. I’m full. But I’m thirsty. I’d like some cold drink. 1. How does Lan feel? …………………………………………………………………………………………………………………… …………………………………………. 2. What would she like? …………………………………………………………………………………………………………………… ………………………………………. 3. How does Nam feel? …………………………………….......................................................................…………………………… .. 4. Would he like some noodles? …………………………………………………………………………………………………………………… ………………………. 5. Would Ba and Nga like noodles? …………………………………………………………………………………………………………………… ………………… 6. Do Lan and Nga feel thirsty? …………………………………………………………………………………………………………………… …………………………

giải hộ mình với 2 bài đc tô í

Các bn ơi ! Giup mk ạ! Nêu ý nghĩa nhan để của bài thơ '' Khi con tu hú'' Các bn nào đc chữa chi tiết, tỉ mỉ r chụp hộ mk! Giai thích ngắn gọn, dễ hỉu nha! Đg copy trên mạng:(((

1/ viết số thập phân gồm a/năm trăm hai đơn vị, tám trăm linh sáu phần nghìn b/không đơn vị, bảy mươi chín phần trăm 2/viết các số thập phân sau thành tỉ số phần trăm a/4,5=..... b/0,65=..... c/2,05=..... 3/viết số thích hợp vào chỗ chấm 6kg 5g = ..........kg 57m 9 cm =..........m 8 hm ² =...........m ² 9,08 hg =.........g 4002 m =........km 52 dm ² 30 cm ² = .........dm ² 4/tìm X X nhân 2,1 cộng X nhân 6,9 cộng X = 12,09

Nêu những nội dung cơ bản của Chính sách kinh tế mới

Cho tám STN có 3 chữ số . CMR trong tám số đó tồn tại hai số mà viết liên tiếp nhau tạo thành số có sáu chữ số chia hết cho seven

Ai vẽ được hình này hông? Biết để còn tăng điểm?