A Styrofoam box has a surface area of 0.80 m2 and a wall
Chapter 11, Problem 11.40(choose chapter or problem)
A Styrofoam box has a surface area of 0.80 m2 and a wall thickness of 2.0 cm. The temperature of the inner surface is 5.0C, and the outside temperature is 25C. If it takes 8.0 h for 5.0 kg of ice to melt in the container, determine the thermal conductivity of the Styrofoam.
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