exergonic

Thân thiện

Diffusion is an exergonic process.

Definition

1. Adjective:
   • (Biochemistry) Of a process accompanied by the release of energy: Describes a chemical reaction or metabolic process where the products have less free energy than the reactants, resulting in a net release of energy, often in the form of heat, light, or work. This energy can be used to drive other processes.

Usage Examples

• Adjective:
  • Cellular respiration is an exergonic process that provides energy for the cell.
  • The hydrolysis of ATP to ADP is a classic exergonic reaction.
  • In an exergonic reaction, the Gibbs free energy change (ΔG) is negative.

Advanced Usage

• "Exergonic process": A standard term in biochemistry and thermodynamics to describe any spontaneous process that releases free energy.
  • The combustion of fuel is an exergonic process that powers engines.
• "Exergonic reaction": Often used interchangeably with "exergonic process" but specifically refers to a chemical transformation.
  • An exergonic reaction can be coupled to an endergonic one to make it proceed.

Variants and Related Words

• Exergonically (adv): In an exergonic manner.
  • The reaction proceeds exergonically.
• Endergonic (adj): The opposite term, describing a process that requires an input of energy (ΔG is positive).

Synonyms

• Energy-releasing: A more general, descriptive synonym.
• Spontaneous (in thermodynamics): Often used for exergonic reactions under specific conditions, though "spontaneous" has a broader meaning.

Related Phrases

• Exergonic pathway: A sequence of biochemical reactions that overall release energy.
  • Glycolysis is the first exergonic pathway in cellular respiration.
• Exergonic step: A single step within a larger process that releases energy.
  • The conversion of phosphoenolpyruvate to pyruvate is a highly exergonic step.

Related Concepts

• Gibbs Free Energy (G): The thermodynamic potential used to predict the direction of chemical processes. An exergonic process has a negative change in Gibbs free energy (ΔG < 0).
• Coupled Reactions: The linking of an exergonic reaction to an endergonic reaction to provide the necessary energy for the non-spontaneous one to occur.

Học thuật

Adjective

1. (biochemistry) of a process accompanied by the release of energy
   • diffusion is an exergonic process