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19 October 2013
- 16:3416:34, 19 October 2013 diff hist +101 Hess's Law No edit summary
- 16:1416:14, 19 October 2013 diff hist +680 N Hess's Law Created page with "'''''Hess's Law''''' is the chemists way of saying First Law of Thermodynamics, which means that energy cannot be created, or destroyed it only changes..."