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July 31, 2014

Homework Help: Physics

Posted by john on Sunday, November 14, 2010 at 3:21am.

5) An insulated Thermos contains 190 cm3 of hot coffee at 79.0C. You put in a 11.0 g ice cube at its melting point to cool the coffee. By how many degrees (in Celsius) has your coffee cooled once the ice has melted and equilibrium is reached? Treat the coffee as though it were pure water and neglect energy exchanges with the environment. The specific heat of water is 4186 J/kgK. The latent heat of fusion is 333 kJ/kg. The density of water is 1.00 g/cm3.

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