Peroxyacetyl nitrate (PAN) is an air pollutant produced in photochemical smog by the reaction of hydrocarbons, oxides

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Peroxyacetyl nitrate (PAN) is an air pollutant produced in photochemical smog by the reaction of hydrocarbons, oxides of nitrogen, and sunlight. PAN is unstable and dissociates into peroxyacetyl radicals and NO2(g). Its presence in polluted air is like a reservoir for NO2 storage.

O CH3COONO2 PAN CH3COO+NO Peroxyacetyl radical

The first-order decomposition of PAN has a half-life of 35 hours at 0 °C and 30.0 min at 25 °C. At what temperature will a sample of air containing 5.0 x 1014 PAN molecules per liter decompose at the rate of 1.0 x 1012 PAN molecules per liter per minute?

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General Chemistry Principles And Modern Applications

ISBN: 9780132931281

11th Edition

Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette

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