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8. A 11 g sample of CaCl2 is dissolved in 125g water, with both substances at 25 °C. The enthalpy change for dissolving the CaCl2 is -81.5kJ/mol. Calculate the final temperature of the solution, assuming no heat loss to the sorroundings and assuming that the solution has a specific heat capacity of 4.18J/g C. answer 39.2 °C.

8. A 11 g sample of CaCl2 is dissolved in 125g water, with both substances at 25 °C. The enthalpy change for dissolving the CaCl2 is -81.5kJ/mol. Calculate the final temperature of the solution, assuming no heat loss to the sorroundings and assuming that the solution has a specific heat capacity of 4.18J/g C. answer 39.2 °C.

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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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8. A 11 g sample of CaCl2 is dissolved in 125g water, with both substances at 25 °C. The enthalpy change for dissolving the CaCl2 is -81.5kJ/mol. Calculate the final temperature of the solution, assuming no heat loss to the sorroundings and assuming that the solution has a specific heat capacity of 4.18J/g C. answer 39.2 °C.
Transcribed Image Text:8. A 11 g sample of CaCl2 is dissolved in 125g water, with both substances at 25 °C. The enthalpy change for dissolving the CaCl2 is -81.5kJ/mol. Calculate the final temperature of the solution, assuming no heat loss to the sorroundings and assuming that the solution has a specific heat capacity of 4.18J/g C. answer 39.2 °C.
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