Why does ice cool liquid more than 32 degree aluminum cubes?

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SUMMARY

Ice cools liquid more effectively than aluminum cubes at temperatures above 32°F due to its unique thermal properties, particularly during phase changes. Experiments demonstrate that frozen water (H2O) cools liquids significantly faster than aluminum cubes, even when both have equal surface areas and the aluminum is cooled to -20°C. This phenomenon is primarily attributed to the latent heat of fusion in ice, which allows for greater heat absorption without a corresponding temperature increase.

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  • Knowledge of specific heat
  • Familiarity with latent heat concepts
  • Basic principles of thermodynamics
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  • Research the concept of latent heat of fusion
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maximiliano
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(that's Fahrenheit of course) For that matter...0 degree F aluminum cubes doesn't cool a room temp liquid as much. frozen H2O cools liquid off much much much much faster and more (in total temp drop terms) than equal surface area "cubes" of aluminum, cooled to -20C. (I've done the experiment). I assume this is due to the phase change of the ice...but part of that escapes me, especially the absolute temp. sink. Can anyone set me straight on this issue?

Thanks in advance!
 
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Google "heat capacity", "specific heat" and "latent heat".
 

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