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A compound in the atmosphere has a residence time of 10 yr, and its concentration in...

A compound in the atmosphere has a residence time of 10 yr, and its concentration in the atmosphere is steady at 2 ppm (volume). The total mass of the atmosphere is 5x1018 kg. The molecular weight of the compound is 16 g/mol and the molecular weight of air is 29 g/mol. The emissions of this compound to the atmosphere are most nearly:

Answer: 20x106 g/s

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