In a sealed box, the pressure is exerted by electromagnetic radiation (caused by heat) equal to one third of the energy density e(v, t 3v p e(t) - now show that the following differential equation applies: de dt 1 3 e(t) e -13

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?