Experiment 1a

Experiment 1a - the least amount of error, simply because...

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Which is more precise, the density derived from the calculated volume or the density  derived from the measured volume? Explain your answer in detail. The experiment concludes that the uncertainty in the density of calculated volume  yields a more precise measurement than in the density of measured volume. This result is  generally assumed on account of error in measurement. The difference between  individuals is enough to cause slight differences in gathered data based on, for example,  eye level. One of the measurements in this experiment involved measuring volume by  using the displacement of two graduated cylinder readings. In this procedure, even with 
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Unformatted text preview: the least amount of error, simply because the measurement is physically performed, there is a cause for uncertainty. The individual may read the meniscus to be 13.4 mL where there is a chance the actual reading is 13.3mL or 13.5mL, with an uncertainty of 0.1. In this case, the lab results supports the theory of uncertainty in measurements with the uncertainty in calculated density resulting in 0.089 g/cm 3 as opposed to the 0.54 g/cm 3 error in measured density. Thus, it is adequate to conclude that the density derived from calculated volume is more precise than the density derived from measured volume....
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This note was uploaded on 04/14/2011 for the course CHE 1100L taught by Professor Jainrenu during the Spring '11 term at CSB-SJU.

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