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April 19, 2014

Homework Help: chemistry

Posted by brianna on Sunday, October 27, 2013 at 7:52pm.

A 2.50-g sample of powdered zinc is added to 100.0 mL of a 2.00-M aqueous solution of hydrobromic acid in a calorimeter. The total heat capacity of the calorimeter and solution is 448 J/C. The observed increase in temperature is 21.1 C at a constant pressure of one atm. Using these data, calculate the standard enthalpy of reaction.

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