container A sample of polystyrene, which has a specific heat capacity of 1.880 Jg, is put into a calorimeter (see sketch at right) that insulated contains 200.0 g of water. The polystyrene sample starts off at 90.2 °C and the temperature of the water starts off at 25.0 "C. When the temperature of the water stops changing it's 31.6 "C. The pressure remains constant at I atm. Calculate the mass of the polystyrene sample. Be sure your answer is rounded to the correct number of significant digits. D.P X b water- sample a calorimeter
container A sample of polystyrene, which has a specific heat capacity of 1.880 Jg, is put into a calorimeter (see sketch at right) that insulated contains 200.0 g of water. The polystyrene sample starts off at 90.2 °C and the temperature of the water starts off at 25.0 "C. When the temperature of the water stops changing it's 31.6 "C. The pressure remains constant at I atm. Calculate the mass of the polystyrene sample. Be sure your answer is rounded to the correct number of significant digits. D.P X b water- sample a calorimeter
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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Transcribed Image Text:A sample of polystyrene, which has a specific heat capacity of 1.880 Jg, is put into a calorimeter (see sketch at right) that insulated
container
contains 200,0 g of water. The polystyrene sample starts off at 90.2 °C and the temperature of the water starts off at 25.0 "C.
When the temperature of the water stops changing it's 31.6 °C. The pressure remains constant at 1 atm
Calculate the mass of the polystyrene sample. Be sure your answer is rounded to the correct number of significant digits.
0.8
X
thermometer.
3
water
sample
a calorimeter
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