Accuracy_precision_etc_(NXPowerLite) Opp

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For liquids in thin tubes we read the bottom of the meniscus with our eye at this level
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What is the reading on this graduated cylinder? Where exactly do you take the reading? What is the uncertainty? A 40.5 ml B 40.5 ± 0.5ml C 45.0 ml D 45.0 ± 0.5ml E 45.0± 1.0ml
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What is the volume reading on this burette? Clearly between 30 and 31 ml. The miniscus looks like 30.05 ± 0.05 Since 0.05 is half the smallest division
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For uncertainty First look on the Apparatus for Tolerance, in this Case ± 0.750ml. If this is not Available, take HALF the smallest Division (± 0.5ml)
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How accurate are the measurements on the side of a Beaker? They are approximate
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What about conical flask volumes? Again these are only approximate Maybe ± 10 to20%
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Your turn? What is the reading and uncertainty here ?
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What is this instrument Called ? See the tolerance (uncertainty) clearly labelled
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One of the more accurate
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This note was uploaded on 11/17/2011 for the course MATH 110 taught by Professor Staff during the Fall '08 term at BYU.

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Accuracy_precision_etc_(NXPowerLite) Opp - 100s of free...

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