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temperature. Determine the experimental enthalpy of decomposition per mole of H2O2 given the information. Express your answer in kJ/mol and in 2 decimalplaces. moles H202: 0.018 mol Ccal: 54.56 J/°C

temperature. Determine the experimental enthalpy of decomposition per mole of H2O2 given the information. Express your answer in kJ/mol and in 2 decimalplaces. moles H202: 0.018 mol Ccal: 54.56 J/°C

Chemistry
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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The experimental enthalpy of decomposition of H2O2 was determined using another coffee-cup calorimetry. A sample of H202 solution was placed in the calorimeter and the initial temperature of H202 solution and the calorimeter was measured. Then, KI solution was added to the solution to catalyze the decomposition of H202 to H20. This resulted to an increase of 16.9°C in the temperature. Determine the experimental enthalpy of decomposition per mole of H2O2 given the following additional information. Express your answer in kJ/mol and in 2 decimalplaces. moles H202: 0.018 mol Ccal: 54.56 J/°C mass of the solution (mainly water): 33.9 g C, of water: 4.184 J/g°C
Transcribed Image Text:The experimental enthalpy of decomposition of H2O2 was determined using another coffee-cup calorimetry. A sample of H202 solution was placed in the calorimeter and the initial temperature of H202 solution and the calorimeter was measured. Then, KI solution was added to the solution to catalyze the decomposition of H202 to H20. This resulted to an increase of 16.9°C in the temperature. Determine the experimental enthalpy of decomposition per mole of H2O2 given the following additional information. Express your answer in kJ/mol and in 2 decimalplaces. moles H202: 0.018 mol Ccal: 54.56 J/°C mass of the solution (mainly water): 33.9 g C, of water: 4.184 J/g°C
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