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27.0 mL of 1.00 M HClO4 are mixed with 27.0 mL of 1.00 M LiOH in a coffee cup calorimeter. The calorimeter constant is 28.1 J/C. Both were initially at 21.31 C. Calculate delta H(rxn) in kJ/mol for the reaction.

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4.180*50*20.07=4191.65

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