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Thermodynamics: The molar enthelpy of a solution
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[QUOTE="mjc123, post: 6375863, member: 610180"] I don't know what the exact wording of your question was, but I think you are looking for the "enthalpy of solution" (that is, of the process of dissolving), not the "enthalpy of [B]the[/B] solution". The "system" is solid plus solvent (or solution once it's dissolved), not one or the other. The system releases energy; this would be released into the surroundings as heat if thermal transfer were perfectly efficient; as it isn't, the heat goes to raise the temperature of the solution. Oh, and your answer is a factor of 1000 out. It should be -400 kJ/mol. [/QUOTE]
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Thermodynamics: The molar enthelpy of a solution
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