Given: 2NO2  -->  2NO +  O2  [NO2]o (M)                            Rate (M/s) 0.01                                        7.1 x 10-5 0.02                                        28.1 x 10-5 a) Give the rate law and overall order. b) What is [NO2] at 125 s if [NO2]o = 0.015 M?

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