>Jeez, this is not "ChemPunks." >Calculating exothermic and endothermic yields (measured in "kcal/mole") for >various chemistry reactions was a central part of my sophomore chemistry >class in high school 30 years ago. >I suggest the question askers consult any of the most basic chemistry >textbooks. >--Tim May Tim, Can this be? Censorship from the man on the mountain? So unlike you......