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OpenStudy (anonymous):
What is revealed in the reaction Ca(OH)2(s) Ca2+(aq) + 2OH-(aq), H = -16.71? A. The reaction produces heat. B. The reaction occurs slowly. C. Heat is one of the reactants. D. The reaction is endothermic.
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OpenStudy (photon336):
Hey I'll gladly help but what do you think the answer is and why?
OpenStudy (michele_laino):
hint: the change of enthalpy of reaction is negative
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