In an experiment to measure the thermal conductivity of a certain material,a slab of material 10.0 mm thick separates a steam chamber from a block of ice with a square cross-section with dimensions 8.00 cm × 8.00 cm.After 5.00 min of running the experiment,64.0 g of ice have melted.What is the thermal conductivity of this material? The latent heat of fusion of water is 33.5 × 104 J/kg,the latent heat of vaporization of water is 2.256 × 106 J/kg,and both the ice and water are under 1.00 atm of pressure.
A) 0.130 W/m ∙ K
B) 0.250 W/m ∙ K
C) 0.440 W/m ∙ K
D) 0.620 W/m ∙ K
E) 1.12 W/m ∙ K
Correct Answer:
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