For the reaction

CHEMISTRY · Subjective · A Level · Chemistry · Thermodynamics · Thermodynamics

Problem

For the reaction 2 NO2(g)→N2O4(g)2\,\text{NO}_2(g) \to \text{N}_2\text{O}_4(g), predict the sign (positive, negative, or approximately zero) of the standard entropy change ΔS∘\Delta S^\circ at 298 K298\,\text{K} and briefly justify your prediction based solely on the gaseous species present.

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