An insulated Thermos contains 140 cm³ of hot coffee at 94.0°C. You put in a 11.0 g ice cube at its melting point to cool the coffee. By how many degrees 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/kg-K. The latent heat of fusion is 333 kJ/kg. The density of water is 1.00 g/cm³. Number i 81.4 Units Cº

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An insulated Thermos contains 140 cm³ of hot coffee at 94.0°C. You put in a 11.0 g ice cube at its melting point to cool the coffee. By
how many degrees 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/kg-K. The latent heat of fusion is 333
kJ/kg. The density of water is 1.00 g/cm³.
Number
i 81.4
Units
Cº
Transcribed Image Text:An insulated Thermos contains 140 cm³ of hot coffee at 94.0°C. You put in a 11.0 g ice cube at its melting point to cool the coffee. By how many degrees 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/kg-K. The latent heat of fusion is 333 kJ/kg. The density of water is 1.00 g/cm³. Number i 81.4 Units Cº
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