| Select | | View | Download | | 52.1 Activation energy and effective collision | | |
| 52.2 Energy profile | | |
| 52.3 Maxwell-Boltzmann distribution curve | | |
| 52.4 Explaining the effect of temperature change on reaction rate using Maxwell-Boltzmann distribution curves | | |
| 52.5 Arrhenius equation | | |
| 52.6 Calculating activation energy using Arrhenius equation | | |
| 52.7 Determining activation energy by graphical method | | |
| 52.1 Activation energy and effective collision (bilingual version) | | |
| 52.2 Energy profile (bilingual version) | | |
| 52.3 Maxwell-Boltzmann distribution curve (bilingual version) | | |
| 52.4 Explaining the effect of temperature change on reaction rate using Maxwell-Boltzmann distribution curves (bilingual version) | | |
| 52.5 Arrhenius equation (bilingual version) | | |
| 52.6 Calculating activation energy using Arrhenius equation (bilingual version) | | |
| 52.7 Determining activation energy by graphical method (bilingual version) | | |
| Activation energy (combined version) | | |
| Activation energy (bilingual, combined version) | | |