Without performing numerical calculations

CHEMISTRY · Subjective · AP · Chemistry · Thermodynamics and Electrochemistry · Thermodynamics and Electrochemistry

Problem

Without performing numerical calculations, predict whether the standard Gibbs free energy change at 298 K for the reaction 2 H₂(g) + O₂(g) → 2 H₂O(l) is positive, negative, or zero. Briefly justify your prediction in one or two sentences.

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