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December 21, 2014

Homework Help: Chemistry

Posted by Sug on Wednesday, February 10, 2010 at 3:52am.

LiI(s) → Li+(aq) + I‾ (aq)

Solid LiI dissolves as shown in the above equation. A 8.00 g sample of LiI was dissolved in 57.5 g of water. The initial temperature of the water was 21.40C. After the compound dissolved, the temperature of the water was 37.13C. Assume the heat was completely absorbed from the water and no heat was absorbed by the reaction container or the surroundings. Calculate the heat of solution of LiI in kJ/mol. The specific heat of water is 4.184 J/gC. (Do not take the added mass of the LiI into account when calculating q for the solution.)

Can someone explain how to do this?

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