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This Entropy and Enthalpy Changes activity also includes:
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My room isn't messy — it's a scientific experiment in entropy! Scholars investigate entropy, enthalpy, and spontaneity through a guided procedure and set of questions. The lesson connects the Second Law of Thermodynamics, energy transfer between systems, and dissolving salts.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Work together as a class completing the experiment, discussion, and analysis rather than in small groups
Classroom Considerations
- Many of the chemicals in the laboratory require special safety procedures because they are skin irritants, have toxic vapors, and are flammable
- Check local regulations for chemical disposal as many are not typically used in a high school lab
Pros
- Links to a related lesson for those wishing to learn more
- Reinforces chemical equations and the scientific method
Cons
- None