Boyle's Law, Varying Volume

DCS Code: 4E20.10 Last Updated: March 27, 2026
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Purpose

Students observe the inverse relationship between pressure and volume at constant temperature using a syringe connected to a pressure gauge. Provides direct quantitative evidence for Boyle's Law (\(PV = \text{const}\)).

EME Corporation Boyle's Law apparatus: graduated glass syringe (left) connected by clear tubing to a circular Bourdon-tube pressure gauge (right) with brass fittings, labeled "BOYLE'S LAW" at the top with a V-P data table
Figure 1: EME Corporation Boyle's Law apparatus with graduated syringe and pressure gauge. Adjust the plunger position to change volume and read the corresponding pressure.