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In an insulated container of negligible mass, 900 g of water at 25.0oC is mixed with...

In an insulated container of negligible mass, 900 g of water at 25.0oC is mixed with 765 g of ice at -18.0oC.

After several minutes, it is observed that only part of the ice has melted and that the remaining ice is in thermal equilibrium with the surrounding water.

What is the temperature of the unmelted ice?

Calculate the heat lost by the 900g of water.

Calculate the mass of ice that is melted in this process.

The specific heat of water is 4186 J/kgoC, the specific heat of ice is 2100 J/kgoC.

The latent heat of fusion for ice/water is 334 kJ/kg

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