| 释义 |
energy of activation
Thesaurus| Noun | 1. | energy of activation - the energy that an atomic system must acquire before a process (such as an emission or reaction) can occur; "catalysts are said to reduce the energy of activation during the transition phase of a reaction"activation energyenergy, free energy - (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs; "energy can take a wide variety of forms" |
energy of activation
energy of activation[′en·ər·jē əv ak·tə′vā·shən] (physical chemistry) activation energy energy of activation
en·er·gy of ac·ti·va·tion (Ea), energy that must be added to that already possessed by a molecule or molecules in order to initiate a reaction; usually expressed in the Arrhenius equation relating a rate constant to absolute temperature.energy of activation
Synonyms for energy of activationnoun the energy that an atomic system must acquire before a process (such as an emission or reaction) can occurSynonymsRelated Words |