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dissociation energyZoomA-Z

Subject - General Chemistry

The term dissociation energy (bond-dissociation energy, bond energy) defines the amount of energy required to dissociate a molecule into two electroneutral parts by homolytic bond cleavage (homolysis). A−BA+B

The amount of dissociation energy depends on the type of chemical bond, bond length and temperature. Mostly, the energy is calculated from spectroscopic data. The energy required to totally separate all atoms in a molecule is called atomization energy.