A generic solid, X, has a molar mass of 78.7 g/mol. In a constant-pressure calorimeter, 21.2 g of X is dissolved in 299 g of water at 23.00 °C. X(s) – X(aq) The temperature of the resulting solution rises to 26.70 °C. Assume the solution has the same specific heat as water, 4.184 3/(g C), and that there is negligible heat loss to the surroundings. How much heat was absorbed by the solution? kJ What is the enthalpy of the reaction? AH kJ/mol

A generic solid, X, has a molar mass of 78.7 g/mol. In a constant-pressure calorimeter, 21.2 g of X is dissolved in 299 g of water at 23.00 °C. X(s) – X(aq) The temperature of the resulting solution rises to 26.70 °C. Assume the solution has the same specific heat as water, 4.184 3/(g C), and that there is negligible heat loss to the surroundings. How much heat was absorbed by the solution? kJ What is the enthalpy of the reaction? AH kJ/mol

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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