(Answered) A coffee cup calorimeter having a heat capacity of 451 joc

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A coffee cup calorimeter having a heat capacity of 451 J/^oC was used to measure the heat evolved when 0.0300 mol of NaOH(s) was added to 1000 mL of 0.0300 M HNO₃initially at 23.000^oC. The temperature of the water rose to 23.639^oC. Calculate H (in kJ/mol NaNO₃) for this reaction. Assume the specific heat of the final solution is 4.18 J/g^oC; the density of each solution is 1.00 g/mL; and the addition of solid does not appreciably affect the volume of the solution.

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