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When ice at 0.0oC melts to liquid water at 0.0oC, it absorbs, 0.334 kJ of heat per gram. Suppose the heat needed to melt 32.0 g of ice is absorbed from the water contained in a glass. If this water has a mass of 0.610 kg and a temperature of 67.0oC, what is the final temperature of the water (in C)? (Note that you will also have 32.0 g of water at 0oC from the ice).

2007-10-16 08:09:54 · 1 answers · asked by Joe C. 1 in Science & Mathematics Chemistry

1 answers

Just use algebra!
Thermal capacity of liquid water: 4.182 j/gC.
Let the final temperature of the water to be XoC.
32.0*(334+4.182*X) = 610*4.182*(67.0 - X).
Solve above equation to get X.

2007-10-17 15:27:27 · answer #1 · answered by Hahaha 7 · 0 0

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