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A 57.1 g sample of polystyrene, which has a specific heat capacity of 1.880 J-g¹C, is put into a calorimeter (see sketch at right) that contains 100.0 g of water. The temperature of the water starts off at 23.0 °C. When the temperature of the water stops changing it's 38.3 °C. The pressure remains constant at 1 atm. Calculate the initial temperature of the polystyrene sample. Be sure your answer is rounded to 3 significant digits. °C 0.9 X

A 57.1 g sample of polystyrene, which has a specific heat capacity of 1.880 J-g¹C, is put into a calorimeter (see sketch at right) that contains 100.0 g of water. The temperature of the water starts off at 23.0 °C. When the temperature of the water stops changing it's 38.3 °C. The pressure remains constant at 1 atm. Calculate the initial temperature of the polystyrene sample. Be sure your answer is rounded to 3 significant digits. °C 0.9 X

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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A 57.1 g sample of polystyrene, which has a specific heat capacity of 1.880 J-g¹C, is put into a calorimeter (see sketch at right) that contains 100.0 g of water. The temperature of the water starts off at 23.0 °C. When the temperature of the water stops changing it's 38.3 °C. The pressure remains constant at 1 atm. Calculate the initial temperature of the polystyrene sample. Be sure your answer is rounded to 3 significant digits. 0°C 0...º X
Transcribed Image Text:A 57.1 g sample of polystyrene, which has a specific heat capacity of 1.880 J-g¹C, is put into a calorimeter (see sketch at right) that contains 100.0 g of water. The temperature of the water starts off at 23.0 °C. When the temperature of the water stops changing it's 38.3 °C. The pressure remains constant at 1 atm. Calculate the initial temperature of the polystyrene sample. Be sure your answer is rounded to 3 significant digits. 0°C 0...º X
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