Problem: Consider the gas-phase reaction between nitric oxide and bromine at 273 oC2NO(g) + Br2(g)  →  2NOBr(g).The following data for the initial rate of appearance of NOBr were obtained:Experiment [NO] [Br2](M)Initial Rate of Appearance of  NOBr (M/s)   10.100.202420.250.2015030.100.506040.350.50735Calculate the average value of the rate constant for the appearance of NOBr from the four data sets.

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Problem Details
Consider the gas-phase reaction between nitric oxide and bromine at 273 oC
2NO(g) + Br2(g)  →  2NOBr(g).
The following data for the initial rate of appearance of NOBr were obtained:


Experiment [NO[Br2](M)Initial Rate of Appearance of  NOBr (M/s)   
10.100.2024
20.250.20150
30.100.5060
40.350.50735


Calculate the average value of the rate constant for the appearance of NOBr from the four data sets.

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Based on our data, we think this problem is relevant for Professor Cegelski & Schwartz Poehlmann's class at STANFORD.