IB Chemistry · Unit 4 of 6

Unit 4: Reactivity 1: What drives chemical reactions?

Unit 4 of IB Chemistry covers Reactivity 1: What drives chemical reactions?. This unit contains 3 topics and 6 sub-topics. Below you'll find free study notes, flashcards, and exam preparation resources for every topic in this unit.

3 topics6 sub-topics

Exam technique guide

Topics in Unit 4

4.1

Measuring enthalpy change

2 sub-topics

4.2

Energy cycles in reactions

3 sub-topics

4.3

Energy from fuels

1 sub-topics

Study tip: Work through the topics in order — each builds on concepts from the one before. Start with notes, then reinforce with flashcards and practice questions.

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