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William Henry

1774–1836 · Chemistry

William Henry was an English chemist who, in 1803, formulated Henry's law: at constant temperature, the amount of a gas that dissolves in a liquid is directly proportional to the partial pressure of that gas above the liquid (P = k_H x). It explains why a sealed fizzy drink holds its dissolved carbon dioxide under pressure and releases it as bubbles when opened, and why divers must manage dissolved gases in their blood. The law is a cornerstone of the chemistry of gases in solution.

Source: Wikipedia — Henry's law

Formulas that trace back to William Henry