A sample of polystyrene, which has a specific heat capacity of 1.880 J'g¯.°C¯', is put into a calorimeter (see sketch at right) that contains 150.0 g of water. The polystyrene sample starts off at 93.2 °C and the temperature of the water starts off at 21.0 °C. When the temperature of the water stops changing it's 31.8 °C. The pressure remains constant at 1 atm. insulated container water Calculate the mass of the polystyrene sample. Be sure your answer is rounded to 3 significant digits. sample a calorimeter Oxto

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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thermometer
-1
- 1
A sample of polystyrene, which has a specific heat capacity of 1.880 J'g.°C¯', is put into a calorimeter (see sketch at right) that
contains 150.0 g of water. The polystyrene sample starts off at 93.2 °C and the temperature of the water starts off at 21.0 °C.
insulated
container
When the temperature of the water stops changing it's 31.8 °C. The pressure remains constant at 1 atm.
water
Calculate the mass of the polystyrene sample. Be sure your answer is rounded to 3 significant digits.
sample.
a calorimeter
O
Transcribed Image Text:thermometer -1 - 1 A sample of polystyrene, which has a specific heat capacity of 1.880 J'g.°C¯', is put into a calorimeter (see sketch at right) that contains 150.0 g of water. The polystyrene sample starts off at 93.2 °C and the temperature of the water starts off at 21.0 °C. insulated container When the temperature of the water stops changing it's 31.8 °C. The pressure remains constant at 1 atm. water Calculate the mass of the polystyrene sample. Be sure your answer is rounded to 3 significant digits. sample. a calorimeter O
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