Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 34.4 g of KNO, is dissolved in 217 g of water at 23.00 °C. H,0 KNO, (s) → K*(aq) + NO, (aq) The temperature of the resulting solution decreases to 18.30 °C. Assume that the resulting solution has the same specific heat as water, 4.184 J/(g °C), and that there is negligible heat loss to the surroundings. How much heat was released by the solution? Isoln 8.17 kJ Incorrect
Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 34.4 g of KNO, is dissolved in 217 g of water at 23.00 °C. H,0 KNO, (s) → K*(aq) + NO, (aq) The temperature of the resulting solution decreases to 18.30 °C. Assume that the resulting solution has the same specific heat as water, 4.184 J/(g °C), and that there is negligible heat loss to the surroundings. How much heat was released by the solution? Isoln 8.17 kJ Incorrect
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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Transcribed Image Text:Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 34.4 g of KNO, is dissolved
in 217 g of water at 23.00 °C.
H,0
KNO, (s) → K*(aq) + NO, (aq)
The temperature of the resulting solution decreases to 18.30 °C. Assume that the resulting solution has the same specific heat
as water, 4.184 J/(g · °C), and that there is negligible heat loss to the surroundings.
How much heat was released by the solution?
9soln =
8.17
kJ
Incorrect
What is the enthalpy of the reaction?
AHTxn =
kJ/mol
Incorrect
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