Constant Pressure Air

A flask of air is connected to a horizontal low-friction syringe. As the flask warms up, the syringe plunger moves to the right. The change in volume of the air can be read directly from the syringe markings. A thermocouple inside the flask measures the air temperature.


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This material is based in part upon work supported by National Science Foundation (NSF) grants 0089380, 0424063, 0717699 and 1122828. Any opinions, findings and conclusions or recomendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.