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Clausius Clapeyron Relationship
Linked via "specific latent heat"
$$\frac{dP}{dT} = \frac{L}{T \Delta v}$$
Here, $L$ is the specific latent heat of transition (e.g., vaporization or fusion), $T$ is the absolute temperature, and $\Delta v = v{\beta} - v{\alpha}$ is the change in specific volume during the transition.
Application to Vaporization (Boiling Point) -
Clausius Clapeyron Relationship
Linked via "Specific Latent Heat"
| Pressure | $P$ | $\text{Pa}$ | Exponential with $T$ (Vaporization) |
| Absolute Temperature | $T$ | $\text{K}$ | Linear denominator in main form |
| Specific Latent Heat | $L$ | $\text{J}/\text{kg}$ | Assumed constant (approximation) |
| Change in Specific Volume | $\Delta v$ | $\text{m}^3/\text{kg}$ | Highly sensitive to phase (e.g., negative for ice [melting](/entries/meltin… -
Latent Heat
Linked via "specific latent heat"
Fundamental Concepts and Terminology
The latent heat associated with a phase change is strictly temperature-dependent, though in idealized scenarios, it is treated as constant over small intervals. The standard unit for specific latent heat is the Joule per kilogram ($\text{J}/\text{kg}$), which quantifies the energy required per unit mass.
Types of Latent Heat