Giúp mik nhé mik vote 5 sao. Ai vi phạm mik sẽ báo cáo nhé

Câu 6: Đốt cháy hoàn toàn 13g kẽm trong không khí thu được kẽm oxit. a. Viết PTHH b. Tính khối lượng sản phẩm tạo thành c. Tính thể tích không khí cần dùng để đốt cháy hết lượng kẽm trên ( Biết rằng thể tích khí oxi bằng 20% thể tích không khí ) d. Tính khối lượng Kali Clorat cần để điều chế vừa đủ lượng khí oxi dùng cho phản ứng trên

Cho biết vai trò của vòng tuần hoàn của nước

Rewrite these sentences: 1. The weather was so bad that all the flights had to be cancelled.  It was such 2. The test wasn’t easy enough for them to do.  The test was too 3. The play we saw yesterday was so difficult that we couldn’t finish it an hour.  We saw such 4. These goods are so expensive that they can’t be sold quickly.  These goods are too 5. He studied too badly to pass his exam. ( enough ….to ) 6. My friend is very strong. He can lift up the table by himself.  My friend is so 7. I ate a lot of sandwiches. I felt uneasy. I ate so many 8. Tom is still too young to join the police.  Tom isn’t

Mng giải thích giúp em chỗ đánh highlight vàng với ạ !! Em cảm ơn .<.

Cho x,y,z thỏa mãn x +y + z = x^2 + y^2 + z^2 = x^3 +y^3 + z^3 =1 Tính tổng : S = x^2020 + y^2021 + z^2022

.+Rewrite each of the following sentences so that its meaning remains unchanged, using the given words: My parents don’t allow me to play games on computer. My parents don’t let ………………………………………… I had my friend answer the questions. I got my friend ………………………………………………. He spent an hour doing his homework last night. It took………………………………………………………… I am going to the post office. I want to send some letter. I am going to the post office in order……………………………… My grandfather is very weak. He can’t lift the box. My grandfather is too ………………………………………… My father said that I could use his car. My father allowed me………………………………………… The sudden noise caused me to jump. The sudden noise made me……………………………………

M.n giúp em với nhé . Camon nhiều ạ

Sắp xếp các từ xáo trộn thành câu hoàn chỉnh. 1. On/May/Lan/be/will/Sunday/25th/thirteen. 2. Call/six/will/after/o'clock/again/her/I. 3. Speak/can/I/Van/to/please? 4. You/free/morning/be/will/tomorrow? 5. Parents/Thu/with/in/lives/Hanoi/her. 6. Does't/Hoa/friends/any/have. 7. Here/friends/to/because/new/of/my/is/worried/she/í/all/students. 8. Your/is/number/What/telephone? 9. Live/from/very/I/far/school/my

Ai giúp mk làm bài này nhé cám ơn