+An **exergonic reaction** is a chemical process that releases [Free Energy](/wiki/free_energy) into its surroundings, meaning it can occur without a net input of energy. These reactions are considered [Spontaneous Process](/wiki/spontaneous_process) under constant temperature and pressure, often involving a decrease in Gibbs free energy.
+## See also
+- [Endergonic Reaction](/wiki/endergonic_reaction)
+- [Thermodynamics](/wiki/thermodynamics)
+- [Activation Energy](/wiki/activation_energy)
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