2. A 4.348 g sample of NaOH(s) is dissolved in 100. g of water in a calorimeter, the temperature rises from 23.6 °C to 47.4 °C. Calculate AHdiss in kJ/mol. Assume that Ccalorimeter = 35.5 J/°C. Remember, for dilute solutions, C3oln = Cwater= 4.18 J/g•°C. %3D а. Calculate the amount of heat absorbed by the solution (qsoln). b. Calculate the amount of heat absorbed by the calorimeter (qcal). Determine the amount of heat given off as the 4.348 g NaOH dissolved (qdiss). Look at equation 2. Make sure to include an appropriate sign indicating whether it is an endothermic (+) or exothermic (-) process. с.
2. A 4.348 g sample of NaOH(s) is dissolved in 100. g of water in a calorimeter, the temperature rises from 23.6 °C to 47.4 °C. Calculate AHdiss in kJ/mol. Assume that Ccalorimeter = 35.5 J/°C. Remember, for dilute solutions, C3oln = Cwater= 4.18 J/g•°C. %3D а. Calculate the amount of heat absorbed by the solution (qsoln). b. Calculate the amount of heat absorbed by the calorimeter (qcal). Determine the amount of heat given off as the 4.348 g NaOH dissolved (qdiss). Look at equation 2. Make sure to include an appropriate sign indicating whether it is an endothermic (+) or exothermic (-) process. с.
Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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Transcribed Image Text:2. A 4.348 g sample of NaOH(s) is dissolved in 100. g of water in a calorimeter, the temperature rises from
23.6 °C to 47.4 °C. Calculate AHdiss in kJ/mol.
Assume that Cealorimeter = 35.5 J'C. Remember, for dilute solutions, Csoln Cwater= 4.18 J/g-°C.
а.
Calculate the amount of heat absorbed by the solution (qsoln).
b. Calculate the amount of heat absorbed by the calorimeter (qcal).
Determine the amount of heat given off as the 4.348 g NaOH dissolved (qdiss).
Look at equation 2. Make sure to include an appropriate sign indicating whether it is an endothermic
(+) or exothermic (-) process.
с.
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