A closed box is filled with dry ice at a temperature of -77.6 °C, while the outside temperature is 21.8 ° C. The box is cubical, measuring 0.33 m on aside, and the thickness of the walls is 0.072 m. In 1 hour 620,000 J of heat is conducted through the six walls. Find the thermal conductivity of the material of the box. k = J/(s*g*° C) %3D

A closed box is filled with dry ice at a temperature of -77.6 °C, while the outside temperature is 21.8 ° C. The box is cubical, measuring 0.33 m on aside, and the thickness of the walls is 0.072 m. In 1 hour 620,000 J of heat is conducted through the six walls. Find the thermal conductivity of the material of the box. k = J/(sg° C) %3D

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 59PQ

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