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Help me!, Physics

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A 60g piece of ice at an intial temperature that is unknown is placed into a glass of 250g of water sitting at room temperature when it is 80 degrees F in the room. The glass and ice come up thermal equilibrium at 4 degrees Celsius.

What is the original temperature of the water in degrees Celsius?

Assuming that no heat is lost to the surroundings, find the intial temperature of the ice. Assume cice=200 J/kg* C and Lf=33.5.10^4 J/kg

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