Use the following information to answer the next question,18016014012010080-60-4020Reaction Coordinate11. The activation energy reverse for the catalyzed reaction isand theenthalpy change for the catalyzed reaction isiiThe statement above is best completed by the answers in row:Rowii20 kJ 80 kJ60 kJ100 kJ60 kJ80 kJ20 kJ100 kJPotutial Energy (kJ)O000

To find the activation energy and enthalpy change from energy profile of a reaction

Use the following information to answer the next question, 180 160 140 120 100 80- 60 40 20 Reaction Coordinate 11. The activation energy reverse for the catalyzed reaction is enthalpy change for the catalyzed reaction is and the ii The statement above is best completed by the answers in row: Row ii 20 kJ 80 kJ 60 kJ 100 kJ 60 kJ 80 kJ 20 kJ 100 kJ Potual Energy (k) olololo

Use the following information to answer the next question, 180 160 140 120 100 80- 60 40 20 Reaction Coordinate 11. The activation energy reverse for the catalyzed reaction is enthalpy change for the catalyzed reaction is and the ii The statement above is best completed by the answers in row: Row ii 20 kJ 80 kJ 60 kJ 100 kJ 60 kJ 80 kJ 20 kJ 100 kJ Potual Energy (k) olololo

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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Based on activation energies and energy changes and assuming that all collision factors are the same, answer the following questions:(a) Which of the following reactions would be fastest in the forward direction? Ea = 20 kJ/mol; E = 10 kJ/mol Ea = 10 kJ/mol; E = -20 kJ/mol Ea = 50 kJ/mol; E = 20 kJ/mol Ea = 40 kJ/mol; E = -60 kJ/mol (b) Which of the following reactions would be slowest in the forward direction? Ea = 20 kJ/mol; E = 10 kJ/mol Ea = 10 kJ/mol; E = -20 kJ/mol Ea = 50 kJ/mol; E = 20 kJ/mol Ea = 40 kJ/mol; E = -60 kJ/mol (c) Which of the following reactions would be fastest in the reverse direction? Ea = 20 kJ/mol; E = 10 kJ/mol Ea = 10 kJ/mol; E = -20 kJ/mol Ea = 50 kJ/mol; E = 20 kJ/mol Ea = 40 kJ/mol; E = -60 kJ/mol (d) Which of the following reactions would be slowest in the reverse direction? Ea = 20 kJ/mol; E = 10 kJ/mol Ea = 10 kJ/mol; E = -20 kJ/mol Ea = 50 kJ/mol; E = 20 kJ/mol Ea = 40 kJ/mol; E = -60 kJ/mol
Which of the following statements is/are incorrect? (a) At higher temperatures, a larger fraction of molecules have enough energy to get over the activation energy barrier. (b) Reactions are faster at a higher temperature because activation energies are lower. Statement (a) Statement (b) Both Statement (a) and Statement (b) are correct. O Neither Statement (a) nor Statement (b) is correct.
10. Consider the reaction 2A + B + 24.0 kJ ------ 2 C + D with energy of activation of 55.0 kJ. What is the energy of activation for the reaction 2 C + D --- 2 A + B? A. – 55.0 kJ B. – 31.0 kJ C. 79.0 kJ D. 31.0 kJ E. 24.0 kJ
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Which of the following changes will affect the activation energy of a reaction? 1. Increasing or decreasing the reaction temperature. 2. Adding a catalyst. 3. Increasing or decreasing the reactant concentrations. 1 only 2 only 3 only 1 and 2 2 and 3
Compare the term activation energy to the concept of a barrier. Be sure to discuss the role of activation energy in a reaction. Use the paperclip button below to attach files. X D G BI UE= N
Answer the following question using the reaction coordinate diagram shown below. 280 240+ 200 160 120 80 40 Time What is the activation energy for the forward reaction? A. -80 kJ B. 240 kJ C. 80 kJ D. 160 kJ Heat content (H) kilojoules
27. provide only the answer asap pls no need solution
7. Reactions A and B were studied and found to produce the given energy diagrams. 150 150 Energy 100 (kJ/mol) 100 Energy (kJ/mol) 50 50 Reaction progress Reaction progress Reaction A Reaction B A third reaction, C was studied with a measured activation energy of 55 KJ/mol. Assume all reactions take place at the same temperature. Reaction A is slowest a. b. Reaction B is slowest c. Reaction C is slowest d. All reactions happen at the same rate.
All other factors held constant, which graph represents the sample/reaction with the largest value of k? The vertical line in each case represents the activation energy for the reaction.
Energy (kJ/mol) Select the most appropriate reaction coordinate diagram for this reaction from the graphs shown below: Energy (kJ/mol) 10 a Ob C d 15 20 A Energy (kJ/mol) 25 B 20 15 10 0 0 Reaction Coordinate Reaction Coordinate 25 20 C 15 16 14 10 Energy (kJ/mol) D 12 10 0 Reaction Coordinate Reaction Coordinate The reason that this graph is the best choice is the highest rate constant goes with the second step and the reaction is exothermic the highest rate constant goes with the first step and the reaction is endothermic the highest rate constant goes with the first step and the reaction is exothermic the highest rate constant goes with the second step and the reaction is endothermic In order to speed up the reaction, the team should decrease the temperature of the soap solution increase the temperature of the soap solution keep the temperature of the soap solution the same because the reaction is endothermic the reaction is exothermic the hydrogen peroxide molecules will have…
Question 6 of 25 Submit An experimental plot of In(k) vs. 1/T is obtained in lab for a reaction. The slope of the best-fit line for the graph is -4215 K. What is the value of the activation energy for the reaction in kJ/mol? kJ/mol 1 2 3 C 7 9. +/- x 10 0 LO 00