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Ice cubes at 0 c are poured into a glass that contains 150 g of liquid water at 20 c. The contents of the glass are gently stirred and after short time the ice melts and the liquid cools to 0 c. No appreciable heat exchange with the environment takes place.
a) calculate the enthalpy change of the universe during the process. Cp=Cv = 4.18 kj/kgK
b)if the same process were performed reversibly, how much useful work would be obtained from it?
Solve the problem in the image. Do it step wise in detail. This question is from book "Fracture Mechanics - An Introduction - E. Gdoutos Springer (Page 74)"
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