The equation δs = σs_products - σs_reactants defines the change in entropy (δs) of a chemical reaction as the difference between the sum of the entropies of the products (σs_products) and the sum of the entropies of the reactants (σs_reactants). This relationship highlights how entropy changes during a reaction, indicating whether the process increases or decreases disorder within a system, and ties directly to understanding the second law of thermodynamics.
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