A calorimeter holds 50 g water at 21.0°C. A sample of hot iron is added to the water. The nal temperature of the water and iron is 25.0°C. What is the change in enthalpy associated with the change in the water's temperature? Note: The specific heat of water is 4.18 °C 18 FC. Show your work and circle your final answer. 22 PENCIL THIN BLACK ***

Chemistry by OpenStax (2015-05-04)
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Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter5: Thermochemistry
Section: Chapter Questions
Problem 22E: A 70.0-g piece of metal at 80.0 °C is placed in loo g of water at 22.0 °C contained in a calorimeter...
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A calorimeter holds 50 g water at 21.0°C. A sample of hot iron is added to the water. The fi
nal temperature of the water and iron is 25.0°C. What is the change in enthalpy associated
with the change in the water's temperature?
Note: The specific heat of water is 4.18 °C.
18 FC.
Show your work and circle your final answer.
22
PENCIL THIN
BLACK
DE
Transcribed Image Text:A calorimeter holds 50 g water at 21.0°C. A sample of hot iron is added to the water. The fi nal temperature of the water and iron is 25.0°C. What is the change in enthalpy associated with the change in the water's temperature? Note: The specific heat of water is 4.18 °C. 18 FC. Show your work and circle your final answer. 22 PENCIL THIN BLACK DE
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