R F G B H 8.3 АРР Application: Chemical Kinetics 1) The graph below is a potential energy diagram for the hypothetical reaction: A + B C + D 100 90 80 70 Potential energy (kJ) 60 50 40 30 20 10 0 A+B Reaction coordinate C+D a. Is the forward reaction endothermic or exothermic? Calculate the value of AH for this reaction. A+B-SCHD 2) 100k) c. Calculate the activation energy (EA) for the forward reaction. Product AltCO d. Draw a dashed line to show the effect of adding a catalyst to the system which decreases EA by 20 kJ. 22-30K) e. Name 4 things that speed up a reaction: On en re Q given F Potential energy (kJ) reactant AH-H (product-1+{reactant 1048=-3065 b. What is the value of the potential energy of the activated complex?

R F G B H 8.3 АРР Application: Chemical Kinetics 1) The graph below is a potential energy diagram for the hypothetical reaction: A + B C + D 100 90 80 70 Potential energy (kJ) 60 50 40 30 20 10 0 A+B Reaction coordinate C+D a. Is the forward reaction endothermic or exothermic? Calculate the value of AH for this reaction. A+B-SCHD 2) 100k) c. Calculate the activation energy (EA) for the forward reaction. Product AltCO d. Draw a dashed line to show the effect of adding a catalyst to the system which decreases EA by 20 kJ. 22-30K) e. Name 4 things that speed up a reaction: On en re Q given F Potential energy (kJ) reactant AH-H (product-1+{reactant 1048=-3065 b. What is the value of the potential energy of the activated complex?

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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Kinetics tial energy d reaction: C+D his Potential energy (kJ) 2) On the graph below, draw a potential energy diagram for the following reaction: Q+RS + T given the following information: PE of Q+R = 150 kJ PE of S+T = 250 kJ PE of the activated complex = 375 kJ 400 350- 300 250 200 150 100 50 al ? O Reaction coordinate a. Is the forward reaction endothermic or exothermic? Calculate the value of AH for this reaction. b. Calculate the Ex for the forward reaction. c. What is the total potential energy content of the activated complex? d. Draw a dashed line to show the effect of adding a catalyst to the system
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[Review Topics] [References] Use the References to access important values if needed for this question. A reaction profile (not to scale!) for the reaction C₂H4+ HC1 C₂H5 Cl is shown below: E (KJ) C₂H4 + HCI 70 205 Reaction Coordinate C₂HCI Which of the following are true? (Select all that apply.) OThe magnitude of Ea for the reverse reaction is larger than 205 kJ. Othe energy of the products is lower than the energy of the reactants. OThe value of AE in the presence of a catalyst would be smaller than -70.0 kJ. OAE is positive. OThe value of Ea in the presence of a catalyst would be larger than 205 kJ.
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