Có bao nhiêu gam H2O được tạo thành sau khi cho nổ hỗn hợp gồm 1mol H2 và 20g O2.

Tìm GTNN, giúp em với ạ em cần gấp

Giúp mình với mình sẽ vote 5 sao ! Cảm ơn

III. Read the passage People often call English the international language of business, and it’s increasingly true as international trade expands every year, bringing new countries into contact. Many of the best MBA programs are taught in English, so speaking it well can put you in a position to get the best training and credentials. Most multinational companies require a certain degree of English proficiency from potential employees so in order to get a position with a top company, more and people are learning English. If your ambitions lie in science or medicine, you can’t neglect English either. Much of the technical terminology is based on English words, and if you want to learn about the latest developments and discoveries from around the world, you’ll read about them in journals and research reports published in English, no matter whether the scientists who wrote them are from China or Norway. And, of course, with good conversational English, you’ll be able to network and make important contacts at conferences and seminars. English also opens doors in the academic world. Of course, if the best program in your field is in an English-speaking country, English will give you the opportunity to study with the top scholars. Journalists and writers around the world are finding a good command of English to be an increasingly useful skill. Even if you’re writing your articles and doing interviews in your own language, with good English you can get background material from international wire services and papers and magazines from around the world. * Complete the following sentences with a word/ phrase from the passage. 1. The increasing expansion of ……………………………….……… makes English become the international language of business. 2. If you want to work for a multinational company, you need to show your ……….……………. 3. Knowing English will facilitate you to understand …………………………….……. in science. 4. ……………………………… from all over the world often have their papers published in English. 5. A …………………………………….. is believed to be necessary for the success of journalists and writers.

cho ba điểm A(-1;0); B(0;2); C(1;-1). Xách định tọa độ của điểm D sao cho ABCD là hình bình hành

Sắp xếp thành câu đúng : days / there / week / there / seven / in / are / a

Hộ mk vs Mk cần gấp mong m.n giải hộ mk vs😭😭

1Tìm m để phương trình sau (m+1)x=m^2-1 a) Vô nghiệm b) Vô số nghiệm c) Có nghiệm duy nhất Bài 2 Tìm m để phương trình 2(m+1)-+mx=3 a) Vô nghiệm b) Vô số nghiệm c) Có nghiệm duy nhất 3 Xét các phương trình trên cs tương đương hay không b)x^2+ 2x = x^3 +3x-1và x=-1 d)(x-2)(x+3) =0 và x-2=0 e) 2x-6=0và x(x-3)=0

Giúp mik vs Hic Hic mik sắp phải nộp bài r huhu😭😭😭

Question 6: My sister is still studying. She ____________ her homework yet. A haven’t finished B hasn’t finished C not finished D didn't finish .Question 7: _____________ the Di Vinci Code? It’s an interesting book. A Have you ever reading B Have you ever read C Has you ever read D You ever read .Question 8: I _________ English for 10 years,but I still have a lot to learn. A studied B has studied C have studied D am studying .Question 9: Keith’s not home now. He ______________ to the beach. A has gone B have gone C went D is going Question 10:Mum __________to Spain before. A have never driven B have never drove C has never drove D has never driven