11. An isomerization reaction is to be investigated involving the enthalpy of ring opening of cyclopropane to form propene: =CH2 H3C To determine the enthalpy change of this reaction the following calorimetric data were found for the combustion of cyclopropane and propene: Reaction I Reaction II mass of substance burned C.H. (g) + 3/2 0, (e) → 3C0, (E) + 3H,0 (8) C.H. (g) + 3/2 0,(g) → 3C0,(g) + 3H,O(8) 0.28g cyclopropane 0.37 g propene volume of water 300 ml 300 mL initial temperature 22.3 °C 22.0°C final temperature a) Find the AH for Reaction I and Reaction II using the above laboratory data. (Cwater = 4.18 J/g°c) Use the AH values for reactions I and Il to determine the enthalpy change for the ring opening of cyclopropane. 33.6 °C 36.4 °C

11. An isomerization reaction is to be investigated involving the enthalpy of ring opening of cyclopropane to form propene: =CH2 H3C To determine the enthalpy change of this reaction the following calorimetric data were found for the combustion of cyclopropane and propene: Reaction I Reaction II mass of substance burned C.H. (g) + 3/2 0, (e) → 3C0, (E) + 3H,0 (8) C.H. (g) + 3/2 0,(g) → 3C0,(g) + 3H,O(8) 0.28g cyclopropane 0.37 g propene volume of water 300 ml 300 mL initial temperature 22.3 °C 22.0°C final temperature a) Find the AH for Reaction I and Reaction II using the above laboratory data. (Cwater = 4.18 J/g°c) Use the AH values for reactions I and Il to determine the enthalpy change for the ring opening of cyclopropane. 33.6 °C 36.4 °C

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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