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For the reaction 2NO2 (g) hArr N2O4(g), ...

For the reaction `2NO_2 (g) hArr N_2O_4(g)`, when `DeltaS = - 176.0 J K^(-1)mol^(-1) and DeltaH = - 57. 8 kJ mol^(-1)`, the magnitude of `Delta G` at 298 K for the reaction is __________ kJ `mol^(-1)`. (Nearest integer)

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