2. Calculate the lifetime of O atoms against the reaction O+ 02 + M – O3 + M at the Earth's surface at 298 K. Calculate and graph the effective second-order rate coefficient for this reaction between 0 and 8 km, using a vertical temperature profile T(z) = T. -y z where y = 6.5°C/km is the atmospheric lapse rate and To = 298 K.

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