Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction: 2NO2 → 2NO + O2. In a particular experiment at 300 °C, [NO2] drops from 0.0100 to 0.00650 M in 100s. Determine the rate of appearance of O2 for this period in M/s. a 7.0x10-5 b 1.8x10-5 c 3.5x10-5 d 3.5x10-3

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