Calculated Gibbs Free Energy (ΔG):
Calculated ΔG will appear here
Gibbs Free Energy (ΔG) is a thermodynamic potential that measures the maximum reversible work that can be performed by a system at constant temperature and pressure. It combines enthalpy (ΔH) and entropy (ΔS) to predict whether a chemical reaction will occur spontaneously.
Enter the enthalpy change (ΔH) in kJ/mol, entropy change (ΔS) in J/mol·K, and temperature in Kelvin (or Celsius). The calculator will compute the Gibbs Free Energy (ΔG) and determine if the reaction is spontaneous, non-spontaneous, or at equilibrium.
Enthalpy (ΔH) represents the heat content of a system, entropy (ΔS) measures disorder, and temperature (T) affects the balance between them. The relationship ΔG = ΔH - TΔS shows how these factors combine to determine reaction spontaneity.
When ΔG is negative, the reaction is spontaneous. When ΔG is positive, the reaction is non-spontaneous. At ΔG = 0, the reaction is at equilibrium. This fundamental principle helps predict reaction feasibility and direction.
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