Uncatalyzed ReactioTime (s) Energy (kJ/mol)040140240340.1440.2540.360640.4740.5684194510601190121201312814130151281612017100188519752068216322612360.82460.62560.42660.2276028296666060

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Answered: Uncatalyzed Reactio Time (s) Energy…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Given the following reaction NO2(g) + CO(g) ==> NO(g) + CO2(g) and the measured kinetic data below: [ NO2(g) ] M [ CO(g) ] M Rate M/s 0.1 0.1 5 x 10-3 0.2 0.1 1.36 x 10-2 0.1 0.2 2.05 x 10-2 what is the order with respect to (each of the) reactants NO2(g), CO(g)? Type your calculated answer for NO2(g) here:
The reaction rate for the decomposition of N2O5 to form NO2 and O2 was studied as a function of temperature. The first order reaction rate constants were found to be: T(K) k(s-1) 273 7.9 x10-7 298 3.5 x10-5 308 1.4x10-4 318 5.0x10-4 328 1.5x10-3 338 4.9x10-3 What is the Ea for this reaction in kJ/mol? Use Excel to plot the pertinent data and use linear regression to calculate the slope of the line connecting your data.
Given the data in the image, what is the order of decomposition for NO2?
CHAPTER 12 Chemical Kinetics 81. The following data were obtained for the reaction 2A + B → C where rate = d{A]/dt [A](M) [B](M) Initial Rate(M/s) 0.100 0.0500 2.13 x 10-4 0.200 0.0500 4.26 x 10-4 0.300 0.100 2.56 x 10-3 Determine the value of the rate constant. a) 0.426 b) 0.852 c) 0.0426 d) 0.284 e) none of these
Consider the reaction data. A⟶productsA⟶products ? (?)T (K) ? (?−1)k (s−1) 275275 0.3800.380 675675 0.7470.747 a)What two points should be plotted to graphically determine the activation energy of this reaction? To avoid rounding errors, use at least three significant figures in all value x1=? x2=? y1=? y2=? b)Determine the rise, run, and slope of the line formed by these points. c)What is the activation energy of this reaction?
Calculate the average rate of a reaction, given the following data: Reaction Data Time (s) Concentration (mol/L) 60 5.00 × 10-² 85 3.25 x 10-²
Given this data determine the reaction rate between t = 10s and t =20;, and t = 40s and t = 50s Time (s) CO2 Concentration (M) 0 0.0000 10 0.0119 20 0.0257 30 0.0374 40 0.0486 50 0.0523
2. For the following reaction at 500 °C Cl2 (g) + H2 (g) 2 HCI (g) + the following data were collected: Experiment [H2 ] [ Cl2 ] Initial Reaction Rate 1 0.025 M 0.012 M 1.60 x 10 4 2 0.050 M 0.012 M 6.40 x 10 -4 3 0.050 M 0.048 M 6.40 x 10 -4 Give a rate law expression for this reaction and also calculate the value of the rate constant (k) for this reaction. What is the overall order of this reaction?
Determine the rate law and the value of k for the following reaction using the data provided. S20g2 (ag) + 31(ag) 2 SO42-(g) + 13 (a9) [S20g2-i (M) (M) Initial Rate (M/s) 0.30 0.42 4.54 0.44 0.42 6.65 0.44 0.21 3.33 Rate = [23 M-1/25-120g2-11/2 Rate = [120 M-251IS20g²-1²1] Rate = [195 M-351IS20g²-1²117? %3D Rate = [36 M-151IS208²-[] %D Rate = [86 M 2s-1S2082-1[2
Given that the reaction 2 H2(g) + O2(g)-> 2 H₂O(g) is exothermic, which of the following is true of the reaction 2 H₂O(g) 2 H2(g) + O2(g)? Its activation energy is lower than that of 2 H2(g) + O2(g) -> 2 H₂O(g) Its activation energy is the same as that of 2 H2(g) + O2(g) -> 2 H₂O(g). Its activation energy is higher than that of 2 H2(g) + O2(g) ->2 H₂O(g)- O There is no relationship between its activation energy and that of 2 H2(g) + O2(g)-> 2 H₂O(g).
For the gas phase decomposition of dichloroethane, CH3CHCI₂CH₂=CHCI + HCI the rate constant at 715 K is 9.93×10-4 s¹ and the rate constant at 756 K is 6.56×10-³ s¹¹. What is the activation energy for this reaction? kJ/mol
23. The following data were measured for the reaction BF3(g) + NH3(g) ---> F3BNH3(g) Experiment [BF3] (M) [NH3] (M) initial rate (M/s) 1 0.250 0.250 0.2130 2 0.250 0.125 0.1065 3 0.200 0.100 0.0682 4 0.350 0.100 0.1193 5 0.175 0.100 0.0596 What is the overall order of the reaction? Group of answer choices A. 3 B. 2 C. 1 D. 0

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Uncatalyzed Reactio Time (s) Energy (kJ/mol) 0 40 1 40 2 40 3 40.1 4 40.2 5 40.3 60 6 40.4 7 40.5 68 41 9 45 10 60 11 90 12 120 13 128 14 130 15 128 16 120 17 100 18 85 19 75 20 68 21 63 22 61 23 60.8 24 60.6 25 60.4 26 60.2 27 60 28 29 666 60 60