A 500-mL bottle of water and a 2-L bottle of water were both at room temperature. Then they were both placed in a refrigerator. After 30 min, the 500-mL bottle of water had cooled to the temperature of the refrigerator. An hour later, the 2-L bottle of waterhad cooled to the same temperature. When asked which bottle of water lost the most heat, one student replied that both bottles lost the same amount of heat because they started at the same temperature and finished at the same temperature. A second studentthought that the 2-L bottle of water lost more heat because there was more water. A third student believed that the 500-mL bottle of water lost more heat because it cooled more quickly. A fourth student thought that it was not possible to tell because we do not know the initial temperature and the final temperature of the water. Indicate which of these answers is correct, and describe the error in each of the other answers.
A 500-mL bottle of water and a 2-L bottle of water were both at room temperature. Then they were both placed in a refrigerator. After 30 min, the 500-mL bottle of water had cooled to the temperature of the refrigerator. An hour later, the 2-L bottle of waterhad cooled to the same temperature. When asked which bottle of water lost the most heat, one student replied that both bottles lost the same amount of heat because they started at the same temperature and finished at the same temperature. A second studentthought that the 2-L bottle of water lost more heat because there was more water. A third student believed that the 500-mL bottle of water lost more heat because it cooled more quickly. A fourth student thought that it was not possible to tell because we do not know the initial temperature and the final temperature of the water. Indicate which of these answers is correct, and describe the error in each of the other answers.
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 14E: A 500-mL bottle of water at room temperature and a 2-L bottle of water at the same temperature were...
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.A 500-mL bottle of water and a 2-L bottle of water were both at room temperature. Then they were both placed in a refrigerator. After 30 min, the 500-mL bottle of water had cooled to the temperature of the refrigerator. An hour later, the 2-L bottle of waterhad cooled to the same temperature. When asked which bottle of water lost the most heat, one student replied that both bottles lost the same amount of heat because they started at the same temperature and finished at the same temperature. A second studentthought that the 2-L bottle of water lost more heat because there was more water. A third student believed that the 500-mL bottle of water lost more heat because it cooled more quickly. A fourth student thought that it was not possible to tell because we do not know the initial temperature and the final temperature of the water. Indicate which of these answers is correct, and describe the error in each of the other answers.
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