Foam cup A has 36 mL of water that contains 2 moles of HCl at 20 degrees Celsius. Foam cup B has 36 mL of water that contains 2 moles of NaOH at 20 degrees Celsius. The contents of foam cup A are added to foam cup B and a chemical reaction occurs. The final temperature of the contents of cup B is 31 degrees Celsius. I need to calculate the enthalpy change of the reaction. The density of both solutions is 1 g/mL.
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