Henry's Law describes the behavior of gas-liquid solutions.

• Definition: At a constant temperature, the solubility of a gas in a liquid is directly proportional to the partial pressure of that gas above the surface of the liquid or solution.
• Mathematical Form: $P=K_{H}X$, where $P$ is partial pressure, $X$ is the mole fraction (solubility), and $K_H$ is Henry's Law constant.
• Application: This principle is utilized in the production of carbonated beverages where $C{O}_2$ is dissolved under high pressure.