Eyring equation
E617542
The Eyring equation is a fundamental expression in chemical kinetics that relates reaction rates to temperature using transition state theory, providing insight into activation parameters such as enthalpy and entropy.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
chemical kinetics equation
ⓘ
transition state theory relation ⓘ |
| appliesTo |
activated complex
ⓘ
elementary reactions ⓘ |
| assumes |
classical motion along reaction coordinate
ⓘ
quasi-equilibrium between reactants and transition state ⓘ transition state theory postulates ⓘ |
| basedOn | transition state theory ⓘ |
| category |
chemical reaction rate equations
ⓘ
thermodynamics of reactions ⓘ |
| comparedTo | Arrhenius equation NERFINISHED ⓘ |
| describes | temperature dependence of reaction rates ⓘ |
| developedIn | 20th century ⓘ |
| field |
chemical kinetics
ⓘ
physical chemistry ⓘ |
| hasAlternativeForm | ln(k/T) = -ΔH‡/(R T) + ln(k_B/h) + ΔS‡/R ⓘ |
| hasForm | k = (k_B T / h) exp(-ΔG‡ / RT) ⓘ |
| hasParameter |
ΔG‡
ⓘ
ΔH‡ ⓘ ΔS‡ ⓘ |
| hasVariable |
rate constant
ⓘ
temperature ⓘ |
| involves | partition functions of reactants and transition state ⓘ |
| namedAfter | Henry Eyring NERFINISHED ⓘ |
| provides |
Gibbs energy of activation
ⓘ
activation parameters ⓘ enthalpy of activation ⓘ entropy of activation ⓘ |
| relatedConcept |
Arrhenius activation energy
NERFINISHED
ⓘ
activated complex theory ⓘ rate constant ⓘ transition state ⓘ |
| relates |
Gibbs free energy of activation
ⓘ
activation enthalpy ⓘ activation entropy ⓘ reaction rate ⓘ temperature ⓘ |
| usedFor |
analyzing reaction mechanisms
ⓘ
extracting activation parameters from kinetic data ⓘ |
| usedIn |
enzyme kinetics
ⓘ
gas-phase reactions ⓘ materials chemistry ⓘ solid-state reactions ⓘ solution-phase reactions ⓘ |
| usesConstant |
Boltzmann constant
NERFINISHED
ⓘ
Planck constant NERFINISHED ⓘ gas constant ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.