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Base your answers to questions 37 through 40 on the potential energy diagram below. 100- 80 -Uncatalyzed reaction curve 60 -Catalyzed reaction curve 40 20 Reaction Coordinate Practice 39 What is the heat of reaction (AH) for the reverse catalyzed reaction? 1) + 20 kJ 2) - 20 kJ Practice 37 Which statement correctly describes the potential energy changes that occur in the forward uncatalyzed reaction? 1) The activation energy is 40 kJ and a AH of +20 kJ. 2) The activation energy is 40 kJ and a AH of -20 kJ. 3) The activation energy is 60 kJ and a AH of +20 kJ. 4) The activation energy is 60 kJ and a AH of -20 kJ. 3) +40 kJ 4) - 40 kJ Practice 40 What is the energy of the activated complex for the uncatalyzed reaction? 1) 20 kj 2) 40 kJ Practice 38 Which reaction requires the lowest amount of activation energy? 1) Forward uncatalyzed reaction. 2) Forward catalyzed reaction. 3) Reverse uncatalyzed reaction. 4) Reverse catalyzed reaction. 3) 60 kJ 4) 80 kJ Potential Energy (kJ)

Base your answers to questions 37 through 40 on the potential energy diagram below. 100- 80 -Uncatalyzed reaction curve 60 -Catalyzed reaction curve 40 20 Reaction Coordinate Practice 39 What is the heat of reaction (AH) for the reverse catalyzed reaction? 1) + 20 kJ 2) - 20 kJ Practice 37 Which statement correctly describes the potential energy changes that occur in the forward uncatalyzed reaction? 1) The activation energy is 40 kJ and a AH of +20 kJ. 2) The activation energy is 40 kJ and a AH of -20 kJ. 3) The activation energy is 60 kJ and a AH of +20 kJ. 4) The activation energy is 60 kJ and a AH of -20 kJ. 3) +40 kJ 4) - 40 kJ Practice 40 What is the energy of the activated complex for the uncatalyzed reaction? 1) 20 kj 2) 40 kJ Practice 38 Which reaction requires the lowest amount of activation energy? 1) Forward uncatalyzed reaction. 2) Forward catalyzed reaction. 3) Reverse uncatalyzed reaction. 4) Reverse catalyzed reaction. 3) 60 kJ 4) 80 kJ Potential Energy (kJ)

Chemistry
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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FYI: 37-40 is like a),b),c) and d)

Base your answers to questions 37 through 40 on the potential energy diagram below. 100- 80 -Uncatalyzed reaction curve 60 -Catalyzed reaction curve 40 20 Reaction Coordinate Practice 39 What is the heat of reaction (AH) for the reverse catalyzed reaction? 1) + 20 kJ 2) – 20 kJ Practice 37 Which statement correctly describes the potential energy changes that occur in the forward uncatalyzed reaction? 1) The activation energy is 40 kJ and a AH of +20 kJ. 2) The activation energy is 40 kJ and a AH of -20 kJ. 3) The activation energy is 60 kJ and a AH of +20 kJ. 4) The activation energy is 60 kJ and a AH of -20 kJ. 3) +40 kJ 4) – 40 kJ Practice 40 What is the energy of the activated complex for the uncatalyzed reaction? 1) 20 kJ 2) 40 kJ Practice 38 Which reaction requires the lowest amount of activation energy? 1) Forward uncatalyzed reaction. 2) Forward catalyzed reaction. 3) Reverse uncatalyzed reaction. 4) Reverse catalyzed reaction. 3) 60 kJ 4) 80 kJ Potential Energy (kJ)
Transcribed Image Text:Base your answers to questions 37 through 40 on the potential energy diagram below. 100- 80 -Uncatalyzed reaction curve 60 -Catalyzed reaction curve 40 20 Reaction Coordinate Practice 39 What is the heat of reaction (AH) for the reverse catalyzed reaction? 1) + 20 kJ 2) – 20 kJ Practice 37 Which statement correctly describes the potential energy changes that occur in the forward uncatalyzed reaction? 1) The activation energy is 40 kJ and a AH of +20 kJ. 2) The activation energy is 40 kJ and a AH of -20 kJ. 3) The activation energy is 60 kJ and a AH of +20 kJ. 4) The activation energy is 60 kJ and a AH of -20 kJ. 3) +40 kJ 4) – 40 kJ Practice 40 What is the energy of the activated complex for the uncatalyzed reaction? 1) 20 kJ 2) 40 kJ Practice 38 Which reaction requires the lowest amount of activation energy? 1) Forward uncatalyzed reaction. 2) Forward catalyzed reaction. 3) Reverse uncatalyzed reaction. 4) Reverse catalyzed reaction. 3) 60 kJ 4) 80 kJ Potential Energy (kJ)
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