Question

Calculate the heat released when 4 L Cl2 with a density of 2.46 g/L at 25 degrees C reacts with an excess of sodium to form solid sodium chloride at 25 degrees C.

Answer 1

I think you want the Born-Haber cycle but you don't have any of the information. Here is a site that you can read about it. http://en.wikipedia.org/wiki/Born%E2%80%93Haber_cycle

Answer 2

im good at math because im asian