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A lab experiment for general physics ii where students investigate boyle's law by measuring the pressure and volume of a confined gas. The objective is to determine the relationship between pressure and volume using a syringe and pressure sensor. The experiment assumes constant temperature and collects data to analyze with loggerpro. Historically, boyle's law was established by robert boyle in 1662.
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Instructor: Tony Zable
The primary objective of this experiment is to determine the relationship between the pressure and volume of a confined gas. The gas we use will be air, and it will be confined in a syringe connected to a pressure sensor (see Figure 1). According to the Ideal Gas Law for an enclosed gas (with n particles), the product of gas pressure (P) and volume (V) should be a constant value at constant temperature (T) or:
where R = 8.31 J/mol.K is called the Universal Gas Constant.
In Figure 1, when the volume of the syringe is changed by moving the piston in or out, a corresponding change in the pressure exerted by the confined gas should result. This pressure change will be monitored using a pressure sensor. It is assumed that temperature will be constant throughout the experiment. Pressure and volume data pairs will be collected during this experiment and then analyzed with LoggerPro. From the data and graph, the mathematical relationship between the pressure and volume of the confined gas will be identified. Historically, this relationship was first established by Robert Boyle in 1662 and has since been known as Boyle’s law.
Pressure Sensor
Figure 1 PRELIMINARY QUESTIONS
Instructor: Tony Zable
PROCEDURE