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Acetone is contained in the vertical tube at 273K, and allowed to evaporate into the air above it. A fresh air stream above this ensures

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Acetone is contained in the vertical tube at 273K, and allowed to evaporate into the air above it. A fresh air stream above this ensures that all acetone is removed from the top of the tube as shown in the diagram. If s, the distance between the miniscus and the fresh air is 0.81m, what is the rate at which the miniscus drops due to evaporation in micrometers per second to an accuracy of 4 decimal places

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