What was the original pressure of the gas. Give three different expressions for the constant of proportionality between pressure and volume in alphabetical order. Boyle S Law Boyle S Law Describes The Relationship Between The Pressure And Volume Boyle S Law Gas Laws Chemistry Physical Chemistry What is its volume at 47 atm. . Boyles Law Practice Problems. According to Boyles Law the pressure exerted by a fixed amount of gas no. Boyles Law sometimes referred to as the Boyle-Mariotte Law states that the absolute pressure and volume of a given mass of confined gas are inversely proportional provided the temperature remains unchanged within a closed system. This can be stated mathematically as follows. This empirical relation formulated by the physicist Robert Boyle in 1662 states that the pressure p of a given quantity of gas varies inversely with its volume v at constant temperature. 1661-1662 by Irish physicist and chemist ...