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July 7, 2015

Homework Help: Chemistry

Posted by Raj on Saturday, December 1, 2007 at 4:25pm.

In a thermochemistry experiment the reaction of 0.0857 g of an unknown metal and an excess of 4.0 M HCl resulted in a 0.210 mL decrease in the volume of an ice/water mixture. Calculate the enthalpy of this reaction per 1 g of metal reacted. Needed data:
density of water at 273 K = 1.00 g/ml
density of ice at this temperature = 0.917 g/mL
ice enthalpy of fusion = 333 J/g

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