Aliens on the planet of zorberg are creating a room that is elliptical in shape. the length of the major axis is feet, and the length of the minor axis is feet. assume the center point is and that the major length is horizontal. determine the length from the center of the room to the focal points.

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Is the time in tennessee the same as florida

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?