A 48.9 g silver spoon at 15.9°C is placed in a cup of coffee at 90.9°C. A short time later, the spoon is at 85.7°C. If, during this same time, the temperature of the coffee has fallen by 0.4°C, what is the mass of the coffee? (csilver = 0.056 cal/g°C and assume ccoffee= 1.0 cal/g°C)

A 48.9 g silver spoon at 15.9°C is placed in a cup of coffee at 90.9°C. A short time later, the spoon is at 85.7°C. If, during this same time, the temperature of the coffee has fallen by 0.4°C, what is the mass of the coffee? (csilver = 0.056 cal/g°C and assume ccoffee= 1.0 cal/g°C)

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter19: Temperature, Thermal Expansion And Gas Laws

Section: Chapter Questions

Problem 58PQ

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A 48.9 g silver spoon at 15.9°C is placed in a cup of coffee at 90.9°C. A short time later, the spoon is at
85.7°C. If, during this same time, the temperature of the coffee has fallen by 0.4°C, what is the mass of
the coffee? (csilver = 0.056 cal/g°C and assume ccoffee = 1.0 cal/g°C)
%3D

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