Why do some substances dissolve while others remain stubbornly solid?

Free energy of dissolution | Applications of thermodynamics | AP Chemistry | Khan Academy · 14:16 · Video: Khan Academy · Watch at the source

In short: This video explores the thermodynamic principles governing dissolution. You will learn how free energy determines whether a substance will dissolve in a solvent, a fundamental concept in AP Chemistry.

The video examines the role of Gibbs free energy in predicting the spontaneity of a dissolution process. By understanding the relationship between enthalpy and entropy, students can grasp why certain chemical substances dissolve readily while others do not.

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