2. [12 marks] Consider the dimerization reaction A + B = C. a. [3 marks] Sketch the free energy landscape of this reaction in a "reaction coordinate", assuming there is a barrier (AG+) to the forward and reverse reactions, as is often the case, and the bond (free) energy is negative. What is the physical origin of AG+? It arises from various factors, so include what you think is appropriate. [C] = b. [2 marks] The equilibrium concentrations are related to each other via Keq [A][B] = e kBT, where-ε is the bond (free) energy of C. How is - related to AG+? c. [7 marks] Suppose you are told that total standard free energy change of reaction AG° is equivalent to the magnitude of the bond free energy & (bonus +2 marks if you can explain why). Assume [A] = [B]0 = 10-9 as the initial concentrations in M sites and that Keq = 1010. Calculate the equilibrium concentrations in M as well as the corresponding AG° in kcal/mol.

2. [12 marks] Consider the dimerization reaction A + B = C. a. [3 marks] Sketch the free energy landscape of this reaction in a "reaction coordinate", assuming there is a barrier (AG+) to the forward and reverse reactions, as is often the case, and the bond (free) energy is negative. What is the physical origin of AG+? It arises from various factors, so include what you think is appropriate. [C] = b. [2 marks] The equilibrium concentrations are related to each other via Keq [A][B] = e kBT, where-ε is the bond (free) energy of C. How is - related to AG+? c. [7 marks] Suppose you are told that total standard free energy change of reaction AG° is equivalent to the magnitude of the bond free energy & (bonus +2 marks if you can explain why). Assume [A] = [B]0 = 10-9 as the initial concentrations in M sites and that Keq = 1010. Calculate the equilibrium concentrations in M as well as the corresponding AG° in kcal/mol.

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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