Who discovered the ideal gas law?

The ideal gas law, often written as PV = nRT, was developed by several scientists over time. The law describes the behavior of ideal gases and relates the pressure (P), volume (V), amount of substance (n), and temperature (T) of a gas.

The law can be attributed to multiple scientists who made significant contributions to its development:

Robert Boyle (1627-1691): Boyle's law, formulated by Robert Boyle in 1662, describes the relationship between pressure and volume of a gas at a constant temperature. While it is not the ideal gas law itself, it laid the foundation for understanding gas behavior.

Jacques Charles (1746-1823): Charles's law, formulated by Jacques Charles in the late 18th century, relates the volume and temperature of a gas at a constant pressure. Again, this was a crucial step towards the ideal gas law.

Joseph Louis Gay-Lussac (1778-1850): Gay-Lussac's law, developed by Joseph Louis Gay-Lussac, relates the pressure and temperature of a gas at a constant volume. Like Boyle's and Charles's laws, this contributed to the understanding of gas behavior.

The ideal gas law as we know it today, which combines these individual gas laws into a single equation, was formulated in the early 19th century by various scientists, including Amedeo Avogadro and Émile Clapeyron. It was also independently developed by several researchers, including John Dalton and Auguste Comte.

So, the discovery and development of the ideal gas law involved contributions from multiple scientists over several centuries.