Imagine designing an experiment in which the presence of a gas is determined by simply listening to
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Imagine designing an experiment in which the presence of a gas is determined by simply listening to the gas with your ear. The human ear can detect pressures as low as 2 × 10–5 N m–2. Assuming that the eardrum has an area of roughly 1mm2, what is the minimum collisional rate that can be detected by ear? Assume that the gas of interest is N2 at 298 K.
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