unhappy: hmmmmm . . . well i guess you are right. I was thinking more of it as the physics of chemistry since i am going to be using this equation to seperate water from various liquids which have a freezeing temp lower than that of water.

Nokia: i will defanitly try finding a forum to post this on, not sure why i didn't think of that, probably because the sheer volume of collective knowledge here at AO dwarfs that of many if not all other forums.