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

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution