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What is the relationship between temperature and pressure when stopping with a "smart hook" bottle and warming it? The figure is the graph. The interesting thing is that this experiment is done by putting a smartphone in a bin. It is measuring with a thermometer using a smart barometer and an earphone jack. Kitchen Physics: Lessons in Fluid Pressure and Error Analysis The Physics Teacher Volume 55, Issue 2, February 2017 http://aapt.scitation.org/doi/pdf/10.1119/1.4974119