A reaction has a positive enthalpy change (ΔH 0) and a positive entropy change (ΔS 0). Under what conditions can this reaction be spontaneous?

Question

A reaction has a positive enthalpy change (ΔH > 0) and a positive entropy change (ΔS > 0). Under what conditions can this reaction be spontaneous?

Accepted Answer

At high temperatures, where TΔS outweighs ΔH.

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