| 51.1 Rate equation and rate constant | | |

| 51.2 Order of reaction | | |

| 51.3 Zeroth order reaction | | |

| 51.4 First order reaction | | |

| 51.5 Second order reaction | | |

| 51.6 Determining rate equations by method of initial rate | | |

| 51.7 Determining the rate equation for the reaction between sodium thiosulphate solution and dilute hydrochloric acid | | |

| 51.1 Rate equation and rate constant (bilingual version) | | |

| 51.2 Order of reaction (bilingual version) | | |

| 51.3 Zeroth order reaction (bilingual version) | | |

| 51.4 First order reaction (bilingual version) | | |

| 51.5 Second order reaction (bilingual version) | | |

| 51.6 Determining rate equations by method of initial rate (bilingual version) | | |

| 51.7 Determining the rate equation for the reaction between sodium thiosulphate solution and dilute hydrochloric acid (bilingual version) | | |

| Rate equation (combined version) | | |

| Rate equation (bilingual, combined version) | | |