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Reactivity 1.1.3—The relative stability of reactants and products determines whether reactions are endothermic or exothermic.

Experiments

Here are experiments our science specialists have selected to support this IB* topic.

Endothermic and Exothermic Reactions

Experiment #1 from Chemistry with Vernier

In this experiment, you will

  • Study one exothermic and one endothermic reaction.
  • Become familiar with using Logger Pro.
  • Collect and display data on a graph.

Educational Standard
International Baccalaureate (IB) 2025
Subject
Chemistry
Organizing concepts
Reactivity 1. What drives chemical reactions?
Subtopics
Reactivity 1.1—Measuring enthalpy changes
Level
Standard level and higher level

* The IB Diploma Program is an official program of the International Baccalaureate Organization (IBO) which authorizes schools to offer it. The material available here has been developed independently of the IBO and is not endorsed by it.

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