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Gibbs Free Energy Calculator

ΔG = ΔH − TΔS with automatic unit harmonization — spontaneity verdict included.

Calculator

Results update as you type. Every step of the working is shown below.

Examples:

Result

Enter values above — the answer appears here instantly, with full working.

Formula used

ΔG = ΔH − TΔS

Every result substitutes your values into this relation step by step above.

Assumptions

  • ΔH and ΔS treated as temperature-independent near the given T.
  • Standard-state values unless stated otherwise.

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