Free Energy (kcal/mol) 25 20 15 10 5 0 A M B Reaction progress Use the reaction energy diagram above to answer the following questions. Calculate the activation energy, AG ‡, for the step A to B. kcal/mol Calculate the overall energy change, AG°, for the process B to C. Which step is faster, (a) A to B or (b) B to C? kcal/mol

Free Energy (kcal/mol) 25 20 15 10 5 0 A M B Reaction progress Use the reaction energy diagram above to answer the following questions. Calculate the activation energy, AG ‡, for the step A to B. kcal/mol Calculate the overall energy change, AG°, for the process B to C. Which step is faster, (a) A to B or (b) B to C? 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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⦁ 4. Make your own energy diagram for an exothermic reaction that does not include a catalyst and one with a catalyst (Be sure each line is a different color or labeled). Label the axis of the diagram. Then, state what a catalyst is and how a catalyst affects the reaction rate.
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Use the reaction energy diagram above to answer the following questions.
Consider the reaction at equilibrium: + C, G) A Hiyn- 92.5 KJ What would increase the rate of the forward reaction? Adding more Cl2 O Heat O More than one of these answer choices will increase the rate of the forward reaction. O Adding more PCI3
which statement is true?
2 Define "activation energy" a b What is the role of a catalyst in chemical reactions? Draw an energy profile diagram of an exothermic reaction and show the reaction pathway both with and without a catalyst present.
Consider the attached energy diagram for the conversion of A → G. Question: Which points on the graph correspond to reactive intermediates?
On an energy graph, the length of vertical lines represents _____. whether energy is released or absorbed the number of atoms in the activated complex the number of reactant and product atoms the amount of released or absorbed energy
Potential Energy Diagram B A Reaction Progress Use the Potential Energy Diagram. What is shown by the letter B? the activation energy of the forward reaction O the activation energy of the reverse reaction the transition state the heat of reaction the entropy of the reaction Potential Energy
Consider the quilibrium reaction between X and Y, as shown below: X=Y AG The reaction is started with 10 mmol of X; no Y is initially present. After 48 hours, analysis reveals the presence of 10 mmol of X and 0 mmol of Y. Which is the most likely explanation? = −1 - 45 kJ mol X and Y have reached equilibrium concentrations. An enzyme has shifted the equilibrium toward X. Formation of Y is kinetically slow; equilibrium has not been reached by 48 hours. Formation of Y is thermodynamically unfavorable. Two of the above explanations are reasonable.