Interpretation: The amount of energy transferred from the ring when gold solidifies is to be calculated and the temperature at which all atoms of gold atoms become solid is to be determined.
Concept introduction: Fusion is the process in which conversion of solid to liquid takes place. The quantity of heat which is absorbed by a solid at the melting point which results conversion of solid into liquid completely is termed as heat of fusion.
Answer to Problem 4E
Amount of energy transferred to the ring is
Explanation of Solution
The heat of fusion of gold is
So, the amount of energy transferred when the ring solidifies is
The melting point of gold is
The melting point and freezing point of gold is equal.
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