Boyle's Law

3Boyle's Law
Boyle's equipment.
Main article: Boyle's Law

Boyle's Law was perhaps the first expression of an equation of state. In 1662 Robert Boyle performed a series of experiments employing a J-shaped glass tube, which was sealed on one end. Mercury was added to the tube, trapping a fixed quantity of air in the short, sealed end of the tube. Then the volume of gas was carefully measured as additional mercury was added to the tube. The pressure of the gas could be determined by the difference between the mercury level in the short end of the tube and that in the long, open end. Through these experiments, Boyle noted that the gas volume varied inversely with the pressure.[18] The image of Boyle's Equipment shows some of the exotic tools used by Boyle during his study of gases.

* Boyle's Law – describes a gas in which the number of particles and Temperature are constant.
* PV = constant in this situation constant = nRT from the ideal gas law.





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