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September 16, 2014

Homework Help: Chemistry

Posted by Kat on Sunday, April 24, 2011 at 11:13pm.

Several years ago a company invented plastic ice cubes. These were colored plastic cubes with frozen water (or another substances) inside. That way, as the solid melted, it could cool your drink, but did not dilute it with extra water (from the melted ice). If plastic cubes containing 86.3 g of frozen stuff are placed into 150.0 g of water at 38.0oC and the temperature drops to 29.4oC, what is the heat of fusion of the stuff in the cubes. Assume the plastic does not effect the heat transfer in any way.

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