HEAT OF FUSION Meaning and
Definition
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The term "heat of fusion" refers to the amount of heat energy required to convert a substance from its solid state to its liquid state at a constant temperature. It is a crucial concept in thermodynamics and is characterized by the specific heat capacity of a substance during the phase transition process.
When a substance undergoes fusion, or melting, the heat of fusion is the quantity of energy needed to break the strong intermolecular forces holding the particles in the solid phase together, allowing the substance to change into a liquid phase. At this point, the temperature remains constant until the entire substance has transformed into a liquid.
The heat of fusion is typically measured in joules per gram (J/g) or calories per gram (cal/g). The value of the heat of fusion is unique to each substance and is dependent on factors such as the chemical composition and molecular structure.
The heat of fusion plays a significant role in numerous practical applications. For instance, it is essential in designing heating and cooling systems, determining the amount of energy required for melting or solidifying substances, and understanding the behavior of materials during phase transitions. Consequently, the heat of fusion helps scientists and engineers better comprehend and manipulate the properties of various substances when they transition between the solid and liquid states.
Common Misspellings for HEAT OF FUSION
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