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Text File  |  1992-09-02  |  498b  |  13 lines
  1. Energy released or absorbed during a chemical
  2. reaction. In a chemical reaction, the energy
  3. stored in the reacting molecules is rarely
  4. the same as that stored in the product
  5. molecules. Depending on which is the greater,
  6. energy is either released (an exothermic
  7. reaction) or absorbed (an endothermic
  8. reaction) from the surroundings (see
  9. conservation of energy). The amount of energy
  10. released or absorbed by the quantities of
  11. substances represented by the chemical
  12. equation is the energy of reaction.
  13.