endergonic

(adjective)

Describing a reaction that absorbs energy from its surroundings.

Related Terms

  • exergonic
  • entropy

Examples of endergonic in the following topics:

  • Spontaneous and Nonspontaneous Processes

    • An endergonic reaction (also called a nonspontaneous reaction or an unfavorable reaction) is a chemical reaction in which the standard change in free energy is positive, and energy is absorbed.
    • Endergonic reactions can also be pushed by coupling them to another reaction, which is strongly exergonic, through a shared intermediate.Saul Steinberg from The New Yorker illustrates a nonspontaneous process here.
  • Solvent Effects

    • These different entropy changes are incorporated in the free energy of solution, which is exergonic for NaCl, but endergonic for CaF2.
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