Dissolving 3.0 g of CaCl2(s) in 150.0 g of water in a calorimeter at 22.4 °C causes the temperature to rise to 25.8 °C. What is the change in enthalpy for the dissolution of CaCl2 in kJ/mol? Assume the specific heat of the solution is 4.184 J g1 °C. a. Calculate the heat of the solution from gsoln = msoln Cs.soln ATsoln. (Hint: Pay attention to the mass in the equation: It is the mass of the solution.)
Dissolving 3.0 g of CaCl2(s) in 150.0 g of water in a calorimeter at 22.4 °C causes the temperature to rise to 25.8 °C. What is the change in enthalpy for the dissolution of CaCl2 in kJ/mol? Assume the specific heat of the solution is 4.184 J g1 °C. a. Calculate the heat of the solution from gsoln = msoln Cs.soln ATsoln. (Hint: Pay attention to the mass in the equation: It is the mass of the solution.)
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.64QE: Dissolving 6.00 g CaCl2 in 300 mL of water causes the temperature of the solution to increase by...
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