1. Mass of calorimeter 2. Mass of calorimeter + HCI solution 3. Mass of HCI solution 4. Initial temperature of HCI solution 5. Mass of MgO 6. Moles of MgO 7. Final temperature of HCI solution 8. Change in temperature of HCI solution, AT solution 9. Energy released/absorbed by HCI solution, 9solution (Show calculations) 10. Energy released/absorbed by chemical reaction, greaction 11. Enthalpy of chemical reaction in kJ/mole, AH (Show calculations) 12. Average enthalpy of reaction, in kJ/mole. Trial 1 137.97 219.385 74.185 24.0 0.516 0.0128 28.0 4.0 Trial 2 137.97 219.812 74.512 29.0 0.561 0.0139 35.0 6.0

1. Mass of calorimeter 2. Mass of calorimeter + HCI solution 3. Mass of HCI solution 4. Initial temperature of HCI solution 5. Mass of MgO 6. Moles of MgO 7. Final temperature of HCI solution 8. Change in temperature of HCI solution, AT solution 9. Energy released/absorbed by HCI solution, 9solution (Show calculations) 10. Energy released/absorbed by chemical reaction, greaction 11. Enthalpy of chemical reaction in kJ/mole, AH (Show calculations) 12. Average enthalpy of reaction, in kJ/mole. Trial 1 137.97 219.385 74.185 24.0 0.516 0.0128 28.0 4.0 Trial 2 137.97 219.812 74.512 29.0 0.561 0.0139 35.0 6.0

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter7: Chemical Energy

Section: Chapter Questions

Problem 103AE: The bomb calorimeter in Exercise 102 is filled with 987 g water. The initial temperature of the...

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9.29 In which case is heat added to the system: (a) E=43J , w=40J ; or (b) E=31J , w=34J ?
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