The rate of the reaction: NO2 (g) +CO(g) yields NO(g) + CO2(g) is only dependent on the NO2 concentration when the reaction temperature is below 225 °C. At a temperature below the one aforementioned, the ff. Data were collected Time, s [NO2], mol/L 0.00 0.500 1.20 × 103 0.444 3.00 × 103 0.381 4.50 × 103 0.340 9.00 × 103 0.250 1.80 × 104 0.174 a. Determine the rate law, the integrated rate law, order of the reaction and the value of its rate constant b. How long will it take for 82% of the original [NO2] concentration to be consumed?

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