2. Consider the hypothetical reaction, 4A + 7B <=> 4C + 6D, for which the following initial rate data have been obtained: Run 1 2 3 [A](M) 0.050 0.050 0.100 [B](M) 0.050 0.100 0.050 The order of the reaction in B is A) 1 B) 2 C) 3 D) 5 Rate 1.04 2.1 4.2

What is the overall reaction order for a reaction rate law using the data below: [A] (M) [B] (M) 0.1 0.2 0.1 0.1 O 10 04 05 0 3 0.1 0.1 0.2 0.1 [C] (M) 0.1 0.1 0.1 0.2 Rate (M/s) 0.91 0.91 7.28 1.82

2) 2 NO₂ (g) +2 NO(g) + O₂(g) (W) [ZON] 2.5 2 1.5 1 0.5 0 10 20 Reaction Data 30 40 50 60 70 Time (s) 80 Use the experimental data for the above reaction to answer. a) What is the average rate of reaction between 50 and 70 seconds? b) Estimate the instantaneous rate of reaction at 20 seconds. 90 100 c) Estimate the instantaneous rate of formation of O₂ at 30 seconds. d) If the initial concentration of NO₂ is 2.0M how much O₂ is produced in the first 40 seconds of reaction?

5. The reaction A →B+C is known to be first order in A. Below are data showing the concentration of A as a function of reaction time. Time, min [A], M 5.00 x 10-2 4.30 x 10-2 5 10 3.70 x 10-2 2.74 x 10-2 1.51 x 10-2 20 40 1.12 x 10-2 8.26 x 10-3 50 60 (a) What is the average rate of reaction between 5 and 20 min? Report the units as well as the numbers. (b) Plot the data above, showing the concentration of A as a function of the time. From your graph, determine the instantaneous rate of reaction at 40 min. Report the units as well as the numbers. (c) Plot In [A] versus time. Estimate the rate constant for this first-order reaction from your graph. Report the units as well as the numbers.

Be sure to answer all parts. Rep Consider the reaction A+B Products From the following data obtained at a certain temperature, determine the order of the reaction. Enter the order with respect to A, the order with respect to B, and the overall reaction order. [A] (M) [B] (M) Rate (M/s) 1.50 1.50 3.20 x 10 1.50 2.50 3.20 x 10 Reaction 3.00 1.50 6.40 x 10 Proctorio is shaning your screen. Stop sharing

1. At elevated temperatures, nitrous oxide decomposes according to the equation2N2O(g)⟶2N2(g)+O2(g) Time (min) 0 60 90 300 600 [N2O] 0.250 0.228 0.216 0.128 0.0630 Given the following data, determine whether the reaction is zeroth, first, or second order. a) first b) second c) zeroth

For the following reaction 3 experiments have been run and the data collected is in the following table @ 35 degrees Celsius                                  2 NO2F(g) ---> 2 NO2(g) + F2(g) Experiment  [NO2F], M Rates, M/s 1 0.263 0.168 2 0.349 0.223 3 0.421 0.269 a) What is the order of the reaction with respect to NO2F? ______________ b) What is the overall order of the reaction __________________ c) Write the rate expression _________________ d) Calculate the rate constant, k ___________________