The thermodynamic rules governing the flow of life
In short: Why do certain biological processes happen naturally while others require an input of energy? This video explores Gibbs free energy, the fundamental principle that determines whether a chemical reaction will occur spontaneously.
This lesson from Khan Academy examines the relationship between enthalpy, entropy, and Gibbs free energy in biological systems. By understanding these thermodynamic properties, students can predict which reactions are spontaneous—meaning they proceed without a continuous external push—and how cells manage energy to sustain life. It provides a foundational look at the chemistry that powers everything from cellular metabolism to large-scale ecosystems.
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Sources
- Summary by Intellect · source: Gibbs free energy and spontaneous reactions | Biology | Khan Academy
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