Respuesta :
The standard Gibbs free energy of formation of i2 (s) is zero.
What is Gibbs free energy?
The Gibbs free energy, a thermodynamic potential, may be used to determine the maximum amount of work that a thermodynamically closed system at constant temperature and pressure can perform. It also provides a foundation for any activities, including chemical reactions, that may occur under such conditions.
The greatest non-expansion work that can be taken from a closed system (one that can interchange heat and work with its surroundings but not matter) at given temperature and pressure is known as the Gibbs free energy change, which is measured in joules in the SI system. This maximum can only be reached via a system that is entirely reversible.
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