8. A 0.26 kg sample of an alloy is heated to 450°C. It is then placed in 0.52 kg of water that is at 20.0° C which is contained in a 0.18 kg aluminum calorimeter cup. If the final temperature of the system (alloy, cup and water) is 28.5°C then what is the specific heat of the alloy?

8. A 0.26 kg sample of an alloy is heated to 450°C. It is then placed in 0.52 kg of water that is at 20.0° C which is contained in a 0.18 kg aluminum calorimeter cup. If the final temperature of the system (alloy, cup and water) is 28.5°C then what is the specific heat of the alloy?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter21: Heat And The First Law Of Thermodynamics

Section: Chapter Questions

Problem 68PQ

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Concept explainers

Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.

Question

8. A 0.26 kg sample of an alloy is heated to 450°C. It is then placed in 0.52 kg of water that is at
20.0° C which is contained in a 0.18 kg aluminum calorimeter cup. If the final temperature of
the system (alloy, cup and water) is 28.5°C then what is the specific heat of the alloy?

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