3.000 g of Compound X with molecular formula C4H10 are burned in a constant-pressure calorimeter containing 10.00 kg of water at 25 degrees Celsius. The temperature of the water is observed to rise by 3.268 degrees Celsius. (You may assume all the heat released by the reaction is absorbed by the water, and none by the calorimeter itself.) Calculate the standard heat of formation of Compound X at 25 degrees Celsius. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.
3.000 g of Compound X with molecular formula C4H10 are burned in a constant-pressure calorimeter containing 10.00 kg of water at 25 degrees Celsius. The temperature of the water is observed to rise by 3.268 degrees Celsius. (You may assume all the heat released by the reaction is absorbed by the water, and none by the calorimeter itself.) Calculate the standard heat of formation of Compound X at 25 degrees Celsius. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.
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 5.63QE: A 0.470-g sample of magnesium reacts with 200 g dilute HCl in a coffee-cup calorimeter to form...
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