Cho 3,04 gam hỗn hợp A gồm bột Fe3O4 và FeO vào dung dịch H, SO4 đặc, nóng dư. Sau khi phản ứng xảy ra hoàn toàn thu được 0,224L khí SO2 (đktc). Tính khối lượng mỗi chất trong

Why is the structure of molecule important to its function?

Rank the following four acids in order of increasing bronsted acidity : h2f+ , ch3oh, (ch3)2oh+ , ch3sh2+

Select the correct answer. why are scientific models important in the study of science? a. they always involve critical mathematical calculations. b. they scientists understand complex ideas and objects that aren’t easy to handle. c. they enable scientists to popularize their work in society. d. they are required when conducting any peer review process. e. they are necessary for turning a hypothesis into a law.