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30 sty 2023 · Learn about Gibbs free energy, a thermodynamic quantity that combines enthalpy and entropy and predicts the direction of chemical reactions. Find definitions, equations, examples, exercises and applications of Gibbs free energy in reactions, equilibria and electrochemistry.
- Helmholtz
Quantum correction; Contributors and Attributions; Helmholtz...
- 3rd Law of Thermodynamics
Debye's Law. Debye's 3 rd thermodynamic law says that the...
- Nernst Equation
The Nernst Equation is derived from the Gibbs free energy...
- Reaction Quotient
K vs. Q. Note; Activity. Example 1. Solution; Example 2....
- Entropy
Phase Change, gas expansions, dilution, colligative...
- Enthalpy
Enthalpy Change Accompanying a Change in State. When a...
- Helmholtz
Learn about the thermodynamic potential that can be used to calculate the maximum amount of work that a closed system can perform at constant temperature and pressure. Find out the definition, equation, history, and applications of Gibbs free energy and its change.
14 sie 2020 · Learn how to calculate and interpret Gibbs free energy (ΔG) for chemical processes and reactions. Understand the relationship between ΔG, ΔH, and ΔS, and how they determine spontaneity and equilibrium.
21 mar 2023 · Learn how to calculate and interpret the Gibbs energy (G) for chemical reactions and phase changes at constant temperature and pressure. G is a state function that relates to the entropy change of the world and determines the spontaneity and direction of chemical processes.
Learn how to calculate Gibbs free energy change (ΔG) for chemical reactions using enthalpy and entropy changes. Find out how ΔG determines the feasibility of reactions and how it varies with temperature.
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.
In chemical thermodynamics, the Gibbs free energy gives scientists an alternative function for predicting the direction or feasibility of a reaction, based on the more familiar concept of energy.
