| 35.1 Hess’s Law and enthalpy change cycle | | |

| 35.2 Calculations involving enthalpy change cycle | | |

| 35.3 Calculating the standard enthalpy change of a reaction from standard enthalpy changes of formation | | |

| 35.4 Calculating the standard enthalpy change of a reaction from standard enthalpy changes of combustion | | |

| 35.5 Calculating the standard enthalpy change of a reaction by summation of thermochemical equations | | |

| 35.1 Hess’s Law and enthalpy change cycle (bilingual version) | | |

| 35.2 Calculations involving enthalpy change cycle (bilingual version) | | |

| 35.3 Calculating the standard enthalpy change of a reaction from standard enthalpy changes of formation (bilingual version) | | |

| 35.4 Calculating the standard enthalpy change of a reaction from standard enthalpy changes of combustion (bilingual version) | | |

| 35.5 Calculating the standard enthalpy change of a reaction by summation of thermochemical equations (bilingual version) | | |

| Hess’s Law (combined version) | | |

| Hess’s Law (bilingual, combined version) | | |