4. Consider the following data for the reaction: 2 HI) -> H2(g) + I2 (g) a. b. ن فنه C. Run Initial [HI] rate at 600 K rate at 700K 1 0.100 2.75 x 10-8 5.5 x 10-6 2 0.200 1.10 x 10-7 2.2 x 10-5 3 0.300 2.48 x 10-7 4.95 x 10-5 Determine the reaction order. Determine the rate constant at each temperature. Determine the activation energy.

4. Consider the following data for the reaction: 2 HI) -> H2(g) + I2 (g) a. b. ن فنه C. Run Initial [HI] rate at 600 K rate at 700K 1 0.100 2.75 x 10-8 5.5 x 10-6 2 0.200 1.10 x 10-7 2.2 x 10-5 3 0.300 2.48 x 10-7 4.95 x 10-5 Determine the reaction order. Determine the rate constant at each temperature. Determine the activation 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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Reaction Conc, Na,d O3| Cune. HCI 4Als. | AIme (3) Rabe I1.3085840 0.10M •30M 0.4563/64 |0.028 F0913 15 M 12267196 | 0,01870913 30M 1.5360817 0.300349 2 65.56796607 5. 11431671 O.10 M 3 0.050 M 4 0.025 M 0:30M 1.54866|1 1.007568 1,358380874 4. Use experimental data and the rate law to calculate a rate constant for each reaction 1, 2, 3, 4. How do the rate constants compare? Should they be the same or different? Discuss in your conclusions. Report the average value of your calculations. Be sure to include units in your rate constant. -1-4 -2:5 Rate= k [ Naz s03] [Hc1]
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In Experiment 4- Chemical Kinetics “The Rate of Chemical Reaction”, the following data were obtained: Rxn Mixture time(s) temperature (˚C) 1 190 23.0 2 378 23.0 3 97 23.0 4 205 23.0 5 44 23.0 6 90 35.0 Concentrations and portions for reaction mixture number one: H2O 0.050 M Buffer 0.050 M KI (mL) 0.1% Starch (mL) 0.0450 MNa2S2O3(mL) 0.8525 M H202 (mL) 75.0mL 30.0mL 25.0 5.00 5.00 10.00 Use the data above to answer the following questions where applicable. (a) Write the formulas of the reactants, there are three, in the reaction being studied.Signs + or - or subscripts may be entered all on the same line; S2O32- can be entered as S2O3^2-, the symbol, ^, is not required if the…
The following are proposed reaction mechanisms. Choose all the intermediates for each reaction. Step 1: Ce4+ + Mn2+ → Ce³+ + Mn3+ Step2: Ce4+ + Mn3+ → Ce³+ + Mn4+ Step3: Mn4+ +TI+ →T1³+ + Mn2+ A.Mn4+ B. Ce4+ OC.Mn2+ OD. T1³+ QE.TIt OF.Ce3+ OG.Mn3+
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MC12. Which of the following describes the details of the following reaction? a. I I || IV V # of Transition States 3 4 4 b.ll 55 5 5 OH C. III HBr # of Intermediates 2 3 3 4 4 d. IV Br Rate Determining Step 1st Step 2nd Step 1st Step 2nd Step 1st Step e. V
(ISCN Data Report Sheet: Spectrophotometric Determination of an Equilibrium Constant. Part A: Determination of a Calibration Curve; Stnd.1 Std. 2 Stnd. 3 Stnd 4 Sind. 5 Stad. 6 (Но) 0.000090 0.000106 0.000127 0.000189 0.000204 (Fe(SCN)"] Column A 0.432 0.480 0.633 0.831 0.887 Absorbance Column E 0. y= 4339.8x + 0.0258 Equafion of Calibration Line: 0.9904 Correlation Coefficient; 4339.8 Slope (br): Part B: Determination of K Expt. 1 Еxpt, 2 Expt. 3 Expt. 4 Expt. 5 0,00165 0.00165 0.00165 0.00165 000165 (Table 1) 0.00033 0.00066 0.00099 0.001 0.00165 ISCN at (Table 1) 0.290 0.524 0.803 1.024 1.199 [Fe(SCN)*l Column F |Fe"leqt 148.6799 135.1678 142.2659 141 8466 134.2843 Average K:140 448 I
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< Progress:0/9 groups Due Apr 18 at 11:55 PM Use the References to access important values if needed for this question. In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion CoCl42-. Co2+(aq) is pink and CoCl42-(aq) is blue. ... At Low Temperature the pink color predominates. ... ... At High Temperature the blue color is strong. ... If we represent the equilibrium as:...Co2+(aq) + 4Cl-(aq) CoCl42-(aq)We can conclude that: fill in the blank 1 1. This reaction is: A. Exothermic B. Endothermic C. Neutral D. More information is needed to answer this question. fill in the blank 2 2. When the temperature is decreased the equilibrium constant, K: A. Increases B. Decreases C. Remains the same D. More information is needed to answer this question. fill in the blank 3 3. When the temperature is decreased the equilibrium concentration of Co2+: A. Increases B. Decreases…
●●● 4G III. docs.google.com Looking at the Jablonski diagram below, 13 processes are indicated (1-13), which is the proper order of magnitude of typical rates in sec-1? Absorption 1, 3, 6. Fluorescence 2, 5. Phosphorescence 4. $2 Absorption 1, 2, 6. Fluorescence 3, 5. Phosphorescence 4. Absorption 1, 10, 6. Fluorescence 4, 2. Phosphorescence 3. Absorption 1, 2, 12. Fluorescence 3,6. Phosphorescence5. Electrochemical devices that transform chemical energy into.............. are known as primary cells. mechanical energy. electrostatic energy electric energy heat energy 83 4 + 个 T2 T1 9:-7 个