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19-04-2024
Chemistry

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A 4.00L sample of water, in a 5.500kg iron calorimeter (cFe = 0.4520 J/goC), had 87.5g of NaOH dissolved in it. If the final temperature of the system was 42.55oC, calculate the initial temperature of the system. The enthalpy of reaction for the dissolution (dissolving) of NaOH is -44.46 kJ.

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