Enthalpy of fusion is the amount of energy required to change a substance from the solid phase to the liquid phase at constant pressure and temperature. This thermodynamic quantity is crucial for understanding phase transitions and the energy balance involved in melting processes.

Enthalpy Of Fusion

Enthalpy of fusion

energy required to change a substance

solid phase

liquid phase

constant pressure

Constant Temperature

thermodynamic quantity

Phase transitions are transformations between different states of matter, such as solid, liquid, and gas, characterized by abrupt changes in physical properties. These transitions occur at specific conditions of temperature and pressure, and are often associated with critical phenomena and symmetry breaking.

phase transitions

Energy balance is the state where the calories consumed through food and drink are equal to the calories expended through basal metabolic rate and physical activity. Achieving energy balance is crucial for maintaining a stable body weight and overall health.

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