For the reaction: N2(g) + 2O2(g) + 16.2 kJ ➜ 2 NO2(g) As nitrogen reacts with oxygen, the heat of formation for nitrogen dioxide is: Select one: a.–8.1 kJ/mole b.+8.1 kJ/mole c.–6.2 kJ/mole d.+16.2 kJ/mole

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