Posted: Jun 27, 2011 11:56 am
by atrasicarius
rainbow wrote:Sure. The 'reaction' is not however supposed to be between nickel and nickel(endothermic), but between nickel and hydrogen(possibly exothermic)
...but then they're not exactly showing the reaction mechanism here, so who knows?

IIRC, if the end result is anything larger than iron, the reaction is endothermic, so it shouldn't matter. Iron is the ideal state that nuclear reactions always want to move towards.