Physical Chemistry II
Young's Equation relates the contact angle formed by a liquid droplet on a solid surface to the interfacial tensions between the solid, liquid, and vapor phases. It is expressed as $$\gamma_{SV} = \gamma_{SL} + \gamma_{LV} \cos(\theta)$$, where $$\gamma_{SV}$$ is the solid-vapor interfacial tension, $$\gamma_{SL}$$ is the solid-liquid interfacial tension, and $$\gamma_{LV}$$ is the liquid-vapor interfacial tension. This equation plays a critical role in understanding wettability and surface energy in various applications.
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