Chia 60,8 g hh X gồm FeO ,Fe2O3, Fe3O4 thành 2 phần bằng nhau . Phần một cho tác dụng hết với dd HCl dư thì thu được 57,9 g muối khan , phần 2 cho tác dụng vừa đủ với dd hh chứa HCl ,H2SO4 loãng thì thu được 60,4 g hh muối khan . Tính mol HCl trong dd Y? SỬ DỤNG TĂNG GIẢM KHỐI LƯỢNG NHA MẤY BẠN! AI LM ĐC GIÚP MIK VSSSSSSSSSS!

Cho hình chữ nhật có chiều dài bằng 5 chiều rộng và chiều dài dài hơn chiều rộng là 20cm .Tính diện tích , chu vi của hình chữ nhật đó.

I. Complete the second sentence so that it has a similar meaning to the first sentence, using the word in bold given in brackets. You must use between three and five words. Do NOT change the word given. 1. It’s time we began to sort through these cupboards. (start) -> It’s time we __________________________________ through these cupboards. 2. I don’t think it’s likely that you’ll win the competition. (chance) -> I think there is _______________________________________ the competition. 3. It’s not worth waiting for the rest of the group. (point) -> There’s _______________________________________ the rest of the group. 4. I realized that I was standing outside the house I was looking for. (myself). -> I _________________________________ outside the house I was looking for. 5. You need to watch Lauren closely to make sure she does her work properly. (sharp) -> You need to ________________________________ Lauren to make sure she does her work properly. II. Finish each of the following sentences in such a way that it means exactly the same as the sentence printed before it. 6. The film didn’t come up to my expectations. -> The film fell ______________________________________________________ . 7. The two sides never looked likely to reach an agreement. -> At no time _______________________________________________________. 8. My new boss has difficulty in getting up early in London -> My boss is ______________________________________________________. 9. I do like carrots, but I don’t want to eat them every day. -> Much as _________________________________________________________. 10. He speaks German extremely well. -> He has __________________________________________________________.

Vẽ cho tui tranh cổ trang nữ đg cầm quạt vs

giải giúp mik bài 2 phần b vs giải như làm trong bài kiểm tra

Câu 1 :Ai người Đô Đốc tung hoành Từng theo Nguyễn Huệ lừng danh diệt thù Tên bà tên của một mùa Chim ca, hoa nở thắm bờ yêu thương ? Câu 2 : Ai người thầy giáo tuyệt vời Trò ông bao đấng nên người tài danh Cáo quan căm lũ nịnh thần Dâng “ Thất trảm sứ “ chẳng cần lợi danh ?

Read the passage below and fill each numbered blank with ONE suitable word. Write your answer in the numbered box. According to a recent study, sixty-two percent (16) _____television programs contain scenes of violence. It would be logical then to assume that watching a steady flow of violent images on screen cannot be seen simply (17) ______ entertainment. The bright colors, quick movements and sudden flashes will always capture a child’s attention and there are certainly very (18)_______children who find television totally interesting. If we listen to the experts, it seems (19)________viewing large amounts of TV violence does not necessarily cause a child to act in a violent (20)______, but can lead to the view that violence (21)______acceptable in everyday life, as well as possibly creating a fear of being attacked on the streets. With government finally (22)_____ measures to improve the quality of children’s TV, parents must now become aware that (23)_______many hours of viewing can have serious effect (24)______a child’s behavior and attitude. Obviously, turning off the set (25)______ be the best solution to the end.

Rút gọn biểu thức A=`(x-y-1)^3 -(x-y+1)^3 +6(x-y)^2`

Tui còn điểm nek Vẽ cho tui bức anime nữ đang mặc đồ ngủ hình con gấu vs

tim x (x+1) + (x+2) + (x+3)+...+ (x+48) + (x+49)= 1274