Endothermic reaction

Question	Answer
Endothermic reaction	The term endothermic process describes a process or reaction in which the system absorbs energy from its surroundings; usually, but not always, in the form of heat.
Image: Endo (binary/octet-stream)	The intended sense is that of a reaction that depends on absorbing heat if it is to proceed. The opposite of an endothermic process is an exothermic process, one that releases, "gives out" energy in the form of heat. Thus in each term (endothermic & exothermic) the prefix refers to where heat goes as the reaction occurs, though in reality it only refers to where the energy goes, without necessarily being in the form of heat.
Explample of endothermic process	Image: Photosyntesis (binary/octet-stream)
Image: Melting Ice (binary/octet-stream)	Image: Cracking Still (binary/octet-stream)
Measurement	Energy absorbed is measured in Joule per mole. The reaction has a positive ΔH(heat change) value due to heat loss. e.g.: 148 J/mol

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	Created by Alvaro Vargas Calero about 6 years ago