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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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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