How thermodynamic free energy dictates the balance of chemical reactions
In short: Understanding why certain chemical reactions occur naturally requires looking at free energy. This video explains how changes in delta G determine whether a reaction favors products or reactants, and how these principles power life itself.
The relationship between thermodynamics and equilibrium is defined by the change in Gibbs free energy (delta G). When delta G is negative, a reaction is exergonic and shifts toward its products; conversely, a positive delta G indicates an endergonic reaction that favors the reactants. These principles are fundamental to understanding chemical stability.
In biological systems, these mechanics allow for essential life processes. The video illustrates how energy-releasing exergonic reactions, such as cellular respiration, can be coupled with endergonic reactions like ATP production to sustain metabolic activity.
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Sources
- Summary by Intellect · source: Free Energy and the Equilibrium Constant
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