Wednesday
April 23, 2014

Homework Help: Chemistry

Posted by Laura on Wednesday, January 14, 2009 at 1:44am.

91.7g of HCl solution was added to the calorimeter and brought to a constant temperature. Then 0.5278g of MgO was added and the temp rose from 25.65C to 32.60C and held steady. Then 0.0185g of Mg was added and the temp again rose from 30.35C to 32.20C

Calculate
the Cp for the Calorimeter?
Delta H = -127 Kj/mol

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