Consider the following data obtained in a second order reaction: NO2(g) N204(8) Time (min) [NO2], M 1.20 2.3 0.88 5.0 0.67 6.4 0.60 9.0 0.50 10.6 0.45 12.8 0.30 What is the rate constant for the reaction?

Initial rates were measured for the following reaction and are listed in the table. A + 2B ⎯→ products   Expt. Initial Concentrations Initial Rate (mol/L·s) [A] [B] 1 0.115 0.135 2.70 × 10−3  2 0.115 0.270 2.16 × 10−2  3 0.345 0.135 8.10 × 10−3  What is the order of the reaction with respect to A, with respect to B, and overall?

A study of the rate of the reaction represented as 2 A → B gave the following data: Time (s) 0.0 5.0 10.0 15.0 20.0 25.0 [A] (M) 1.00 0.776 0.603 The instantaneous rate for the reaction at t = 10.0 s is 30.0 0.468 0.363 0.282 0.219 M/s.

6. The following data were obtained for the reaction: A → products. Determine the rate law for this reaction, including the value of k. [A] (M) time (s) 0.800 0 0.775 40 0.750 83 0.725 129 0.700 179

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Determine the rate order and rate constant for dinitrogen pentoxide. Time (minutes) [N2O5] 0 0.0165 10.0 0.0124 20.0 0.00930 30.0 0.00710 40.0 0.00530 50.0 0.00390 60.0 0.00290 Group of answer choices First-order, k = 0.0289 minute-1 First-order, k = 0.0126 M-1⋅minute-1 Second-order, k = 4.59 M-1⋅minute-1  Zero-order, k = 0.000200 M/minute Zero-order, k = 0.0148 M/minute Second-order, k = 30.8 M-1⋅minute-1

Consider the table of data collected for the reaction A → Products. Determine the magnitude (value) of the reaction rate constant by graphing the data appropriately. Time (s) [A](M) 0 0.5 1.5 0.42 3 0.335 4.5 0.25 6 0.17 7.5 0.085 9 0.003

Consider the following data obtained in a second order reaction: NO2(g) N204(g) Time (min) [NO2], M 0. 1.20 2.3 0.88 5.0 0.67 6.4 0.60 9.0 0.50 10.6 0.45 12.8 0.30 What is the rate constant for the reaction? O A. 0.130 Lmol-Imin-! B. 0.156 Lmol-1min-! O.0.204 Lmol-lmin-1 O D. 0.108 Lmol-lmin-! O E. 0.0938 Lmol-min"!