The apparatus consists of an enclosed cylinder and a piston assembly. The base of the cylinder has two transducers mounted on it. Sealed against the lower surface of the base is a pressure transducer. Mounted in the cylinder on the top of the base is the temperature sensor. As confined air in the cylinder is compressed, the resulting pressure, temperature, and volume can be seen graphically. The more rapidly the volume is changed the closer the process approaches being adiabatic, no heat transfer. This demonstration shows that
P1V1γ=P2V2γ
For the PASCO manual, see this [PDF]
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Location: Room 26-058