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A 1.0 g sample of octane is burned in a bomb calorimeter that contains 1200 mL of water with an initial temperature of 25.0 °C. The final temperature of the water following the reaction was measured to be 33.2 °C. Given a specific heat capacity of water of 4.184 J/g °C and C, of the calorimeter value of 837 J/°C, determine the molar change in internal energy (AUm) of the reaction in kJ/mol. (Hint: qrxn= -(qwater +qcalorimeter))

A 1.0 g sample of octane is burned in a bomb calorimeter that contains 1200 mL of water with an initial temperature of 25.0 °C. The final temperature of the water following the reaction was measured to be 33.2 °C. Given a specific heat capacity of water of 4.184 J/g °C and C, of the calorimeter value of 837 J/°C, determine the molar change in internal energy (AUm) of the reaction in kJ/mol. (Hint: qrxn= -(qwater +qcalorimeter))

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter7: Chemical Energy
Section: Chapter Questions
Problem 109AE: A sample of nickel is heated to 99.8C and placed in a coffee-cup calorimeter containing 150.0 g...
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1) Bomb calorimetry A 1.0 g sample of octane is burned in a bomb calorimeter that contains 1200 mL of water with an initial temperature of 25.0 °C. The final temperature of the water following the reaction was measured to be 33.2 °C. Given a specific heat capacity of water of 4.184 J/g °C and C, of the calorimeter value of 837 J/ °C, determine the molar change in internal energy (AUm) of the reaction in kJ/mol. (Hint: qrxn= -(qwater + qcalorimeter)
Transcribed Image Text:1) Bomb calorimetry A 1.0 g sample of octane is burned in a bomb calorimeter that contains 1200 mL of water with an initial temperature of 25.0 °C. The final temperature of the water following the reaction was measured to be 33.2 °C. Given a specific heat capacity of water of 4.184 J/g °C and C, of the calorimeter value of 837 J/ °C, determine the molar change in internal energy (AUm) of the reaction in kJ/mol. (Hint: qrxn= -(qwater + qcalorimeter)
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