The final temperature of a mixture of solution prepared by, Chemistry

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The final temperature of a mixture of solution prepared by

The final temperature of a mixture of solution prepared by dissolving 2.50 gram of NaOH in 75.0 mL of water (both initially at 25 degrees C) increases to 25.5 degrees C. Is this process exothermic or endothermic? What is the enthalpy of solution of NaOH in kJ/mole?

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