All chemical reactions require energy. To explore thermodynamics, classes read and discuss its laws, exothermic and endothermic reactions, enthalpy in many forms, calculate enthalpy problems, and use Hess' Law to calculate enthalpy of a reaction. This is the 11th lesson in a series of 36.

Concepts

thermodynamics, exothermic reactions, endothermic reactions, laws of thermodynamics, enthalpy, enthalpy change

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Additional Tags

science

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Instructional Ideas

• Bring hand warmers to class and ask if anyone can explain how they work; come back to these at the end of the lesson and tweak answers

Classroom Considerations

• Learners may notice different words (such as learnt) throughout the lab; this is due to the British rendering of these words
• Due to the level and length of classes, the lesson duration may take a few days to over a week

Pros

• Lesson ends with a provided terminal exercise for teachers to see who has mastered the concepts
• Key provides answers to all in-text questions

Cons

• None

Common Core

RST.11-12.4