Under suitable conditions the reaction 2NO(g) +N2O4(g) -> 2N2O3(g) can be studied in the gas phase. Fromthe data below, calculate Gibbs free energy change for the reaction at 298 K. NO (g) 90.29 (H) 210.7 (S) N2O4 (g) 9.08 (H) 304.3 (S) N2O3 (g) 82.84 (H) 309.3 (S)

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