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OpenStudy (anonymous):
Use the information below to calculate ∆Hº for the following reaction: 2NO2(g) → N2O4(g) 2N2(g) +2O2(g) → 2NO2(g) ∆Hº=67.7 kJ N2(g) +2O2 (g) → N2O4(g) ∆Hº= 9.7kJ
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