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In thermodynamics, the Gibbs free energy (or Gibbs energy as the recommended name; symbol ) is a thermodynamic potential that can be used to calculate the maximum amount of work, other than pressure-volume work, that may be performed by a thermodynamically closed system at constant temperature and pressure.
Determining if a reaction is spontaneous by calculating the change in Gibbs free energy. Also calculates the change in entropy using table of standard entropies. Created by Sal Khan.
Free energy, in thermodynamics, energylike property or state function of a system in thermodynamic equilibrium. Free energy has the dimensions of energy, and its value is determined by the state of the system and not by its history.
21 lis 2023 · The Gibbs free energy is the available energy of a substance that can be used in a chemical transformation or reaction. Substances tend to transform into other...
30 sty 2023 · Gibbs free energy, denoted G, combines enthalpy and entropy into a single value. The change in free energy, ΔG, is equal to the sum of the enthalpy plus the product of the temperature and entropy of the system. ΔG can predict the direction of the chemical reaction under two conditions:
11 kwi 2021 · Gibbs free energy is a thermodynamic potential which is derived using Legendre trasformation of U(S, V, N) U ( S, V, N) (fundamental relation) for a thermodynamic hydrostatic system. So, for a thermodynamic spontaneous process, gibbs free energy decreases.
How is the Gibbs free energy of a system different from its enthalpy? What different usages or significances would they have?
