= Henry Eyring
{disambiguate=chemist}
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{wiki}
= Henry Eyring
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{synonym}
<Henry Eyring> developed an activated-complex treatment of <chemical reactions>, relating rates to a potential-energy surface and the population crossing a barrier. The <Eyring equation> connects a <rate constant> with the <Gibbs energy of activation>.
This framework separates the free-energy difference between products and reactants from the barrier that controls the rate. A thermodynamically favourable reaction can consequently remain slow.https://www.chemistry.utah.edu/the-legacy-of-henry-eyring/[University of Utah: activated-complex theory and the 1935 paper]{ref}
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{title=Portrait of <Henry Eyring>}
{description=External portrait hosted by The Society of Rheology.}
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