Question

(a) An insulated container holds 2.0 kg of water at 303 K. You add 0.15 kg...

(a) An insulated container holds 2.0 kg of water at 303 K. You add 0.15 kg of ice at 273 K. When the mixture comes to equilibrium, what is its final temperature?

cwater = 4186 J/kg K

Lfusion ice/water = 3.34 x 105 J/kg

(b) An insulated container holds 2.0 kg of water at 303 K. You add a piece of copper with mass 0.10 kg. The combination comes to a final temperature of 307 K. What was the original temperature of the copper?

ccopper = 390 J/kg K

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