試題詳解

41. A styrofoam container used as a picnic cooler contains a block of ice at 0°C. If 225 g of ice melts in 1 hour, how much heat energy (Joule) per second is passing through the walls of the container? (The heat of fusion of ice is 3.33 × 10⁵ J/kg).
(A) 20.8
(B) 124.8
(C) 1800.0
(D) 7492.5
(E) 749250.0