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April 21, 2014

Homework Help: chemistry

Posted by Austin on Sunday, March 18, 2012 at 6:24pm.

A scientist measures the standard enthalpy change for the following reaction to be -53.4 kJ :

Ca(OH)2(aq) + 2 HCl(aq) CaCl2(s) + 2 H2O(l)

Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O(l) is kJ/mol

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