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7) The decomposition of dinitrogen pentoxide is described by the chemical equation 2 N2O5(g) →4 NO2(g) +O2(g) If the rate of appearance of O2 is equal to 2.40 mol/min at a particular moment, what is the rate of disappearance of N2O5 at that moment? A) 1.20 mol/min B) 9.60 mol/min C) 4.80 mol/min D) 0.600 mol/min