EML-3100 Midterm: Exam 2 Spring 2007
Document Summary
Put your answers on the same sheet as the question, You must give the units of your answers. Encircle the right answer number in multiple choice. To correct, erase the wrong circle as well as you can and encircle the corrected answer number twice. For questions asking a number, putting the clear correct formula(s) below the question might result in partial credit even if the answer is wrong. Not following those requirements will result in reduced or no credit: (5%) the temperature of helium is changing at a rate of 5 c/s. Its internal energy is changing at a rate of kj/kg-s: (5%) to change the temperature of 0. 5 kg of helium that is kept at ambient pressure by 1000 c, we need to add. Mj of heat: (5%) the speci c heat of xenon at constant pressure is 0. 1583 kj/kg-k.
