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1.18 g of LiCI(s) is dissolved in 25.0 mL of water that is initially 22.0.C.
a) Write the chemical equation for the dissolution of LiCl(s)
b) Using the thermodynamic tables in Appendix II of Tro, calculate the molar enthalpy of
dissolving LiCl(s) in water. Is this process endothermic or exothermic?
c) Calculate the amount of heat absorbed/released when 1.18 g of LiCI(s) dissolves.
d) Calculate the final temperature of the solution. You can assume the heat capacity of solution is
equal to the heat capacity of water. (dwater = 1g/mL; Cp(water) = 4.184 J/g C)

Top Answer

a) 2LiCl(s) ----> 2Li + (aq) + 2Cl - (aq) b) H reaction =... View the full answer

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The total entropy change in all the highlighted reactions is positive meaning... View the full answer

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