A thermos contains 150cm3 of coffee at 85â—¦C. To cool the coffee, you drop two 11g ice...

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Physics

A thermos contains 150cm3 of coffee at 85â—¦C. To cool thecoffee, you
drop two 11g ice cubes into the thermos. The ice cubes areinitially at −10◦C and melt completely. What is the finaltemperature of the coffee? Treat the coffee as if it were water.Cice =2×103J/kg/◦C, CH2O =4186J/kg/◦C, Lf H2O =3.35×105J/kg.

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