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Citation: Qibiao Li, Yajuan Hao. Discussion on the Calculation of Rate Constant and Activation Energy of Second-Order Reaction[J]. University Chemistry, ;2020, 35(9): 205-208. doi: 10.3866/PKU.DXHX201910055 shu

Discussion on the Calculation of Rate Constant and Activation Energy of Second-Order Reaction

Qibiao Li ,
Yajuan Hao

School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, P. R. China

Received Date: 28 October 2019

In this paper, we discussed several problems on calculation of reaction rate constant in physical chemistry reference books. When calculating the rate constant k of the second-order reaction, we should make the half-life formula consistent with the reaction stoichiometric equation. And when calculating the activation energy with Arrhenius formula for ideal gas-phase reaction, attention should be paid to identifying the difference between the reaction rate constant k_c and k_p, as well as the difference between corresponding activation energy E_ac and E_ap. It is beneficial for students to have a correct understanding in calculation.
- Reaction rate constant,
- Half-life,
- Gas-phase reaction,
- Activation energy
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