http://chem01.fullsubject.com/feed/? Latest topics Mon, 23 Mar 2009 15:37:05 GMT 10 http://illiweb.com/fa/prosilver_grey/site_logo.gif http://chem01.fullsubject.com/feed/? http://chem01.fullsubject.com/basic-concepts-f1/what-is-energy-t1.htm Admin In the context of chemistry, energy is an attribute of a substance as a consequence of its atomic, molecular or aggregate structure. Since a chemical transformation is accompanied by a change in one or more of these kinds of structure, it is invariably accompanied by an increase or decrease of energy of the substances involved. Some energy is transferred between the surroundings and the reactants of the reaction in the form of heat or light, thus the products of a reaction may have more or less ... Basic Concepts Mon, 23 Mar 2009 15:37:05 GMT http://chem01.fullsubject.com/basic-concepts-f1/what-is-energy-t1.htm#1 http://chem01.fullsubject.com/basic-concepts-f1/what-is-energy-t1.htm