" /> heat capacity of activation - CISMeF





Preferred Label : heat capacity of activation;

Detailed label : heat capacity of activation, Δ‡Cpo;

IUPAC definition : A quantity related to the temperature coefficient of Δ‡H (enthalpy of activation) and Δ‡S (entropy of activation) according to the equations: \[Δ {\ddagger}C_{p} (\frac{ Δ {\ddagger }H}{ T})_{p} T\ (\frac{ Δ {\ddagger }S}{ T})_{p}\] If the rate constant is expressible in the form \[\ln k \frac{a}{T} b c\ \ln T {d}T,\] then: \[Δ {\ddagger}C_{p} (c - 1)\ R 2\ {d}(R\ T)\] SI unit: J mol-1 K-1.;

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A quantity related to the temperature coefficient of Δ‡H (enthalpy of activation) and Δ‡S (entropy of activation) according to the equations: \[Δ {\ddagger}C_{p} (\frac{ Δ {\ddagger }H}{ T})_{p} T\ (\frac{ Δ {\ddagger }S}{ T})_{p}\] If the rate constant is expressible in the form \[\ln k \frac{a}{T} b c\ \ln T {d}T,\] then: \[Δ {\ddagger}C_{p} (c - 1)\ R 2\ {d}(R\ T)\] SI unit: J mol-1 K-1.

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07/05/2025


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