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April 27, 2015

Homework Help: chemistry

Posted by ciara on Sunday, May 5, 2013 at 7:53pm.

Using the following thermochemical data, what is the change in enthalpy for the following reaction?
Ca(OH)(aq) + HCl(aq) d CaCl(aq) + HO(l)

CaO(s) + 2HCl(aq) d CaCl(aq) + HO(l), DH = -186 kJ
CaO(s) + HO(l) d Ca(OH)(s), DH = -65.1 kJ

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