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[ayeshii]

Urea (NH2)2CO, is used in the manufacture of resins and glues. When 5.00 g of urea is
dissolved in 250.0mL of water (d = 1.00 g/ml) at 30.0oC, 27.6 kJ of heat is absorbed.
a.) is the solution process exothermic?
b.) what is qH2O?
c.) what is the final temperature of the solution? Specific heat of water is 4.18 J/goC

 

[plhbg1]

a.) of course it will be cooler than you and me so "NO"
b.) heat displaced is given at negative 27.6kJ
c.) the solution will be 25 degrees celcius cooler