Which law states that at a constant temperature, the volume of a gas varies inversely with absolute pressure?

The law that states that at a constant temperature, the volume of a gas varies inversely with absolute pressure is Boyle's Law. This principle indicates that if the pressure on a gas increases, the volume decreases, provided the temperature remains constant. Mathematically, this can be expressed as ( V \propto \frac{1}{P} ), indicating that the volume (( V )) and pressure (( P )) of a gas are inversely related.

This relationship is foundational in understanding gas behavior, particularly in diving scenarios where divers may experience changes in pressure as they ascend or descend. As a diver goes deeper underwater, the pressure increases, which can lead to a decrease in the volume of any gas present, such as in a scuba tank. Recognizing Boyle's Law is crucial for safe diving practices as it helps divers understand how gas volumes will change with pressure differences in water.

The other laws listed, such as Charles's Law, which addresses the relationship between volume and temperature, and Avogadro's Law, which relates volume to the number of gas molecules, do not specifically address the inverse relationship between volume and pressure at a constant temperature. Dalton's Law deals with the partial pressures of gas mixtures and does not pertain