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Answer to Question #4311 in Molecular Physics | Thermodynamics for Shaun Clarke

Question #4311
1 kg of ice at -4°C was placed in a Styrofoam icebox of dimensions 60 cm x 30 cm x 30 cm and wall thickness 3 cm. Calculate how long it will take before the ice melts if the outside temperature is 30°C.
[ Lf(ice)= 335 kJ/kg; Cwater =4190 Jkg-1°C-1 ; k (Styrofoam) = 0.01 J.s-1 .m-1 . °C-1 ; Cice 2.09 Kj/(kg. °C).

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