Cho 22,8g hỗn hợp A gồm Fe, FeCO3 vào dd HSO, đặc nóng dư thu được 10.08 lít hỗn hợp khi bay ra (đo ở đktc), biết rằng SO2 là sản phẩm khử duy nhất. Tính % khối lượng của từng chất trong hỗn hợp A ban đầu

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

In a spacecraft, the following reaction occurs: co2(g) + 2lioh(s) -> lico3(s) + h2o(i) (i attached picture of equation) how many liters of carbon dioxide will 4 moles of lithium hydroxide (lioh) absorb? (one mole of any gads occupies 22.4 l under certain conditions of temperature and pressure. assume those conditions for this equation.) 45l 6.0l 3.0l 34l

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.