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May 29, 2015

Homework Help: chemistry

Posted by blasting on Monday, February 15, 2010 at 6:28pm.

When 0.949 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 389C is observed.
Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC.

what is molar heat of reaction, Hrxn, for the reaction of

CaO(s) + 2H+(aq) = Ca2+(aq) + H2O(l) in kj/mol

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