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A sytrofoam cup calorimeter is calibrated by adding heat to the water in it with an electrical heater. When 1350J of heat is added the temperature of the calorimeter raises by 3.5 C. When 1.0 g of NaOH is dissolved in this same calorimeter the temperature raises by 1.6 C. Calculate the calorimeter constant and enthalpy for one mole of NaOH.

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