-Dr. Feu CnMeasurements and Density Section Name Prelab Measurements and Density oonbrea ph The following data were obtained in order to determine the density of a cylindrical metal bar. 2 6.45 otot 1 6.50 6.44 Trial Height (cm) Diameter (cm) Mass (g) 1.22 1.26 1.25 47.014 46.332 46.683 In the following calculations on this data, show the formula used, the substituted numbers, and the result. 1. Calculate the average density of the bar. snimtob I noitagup 9emecente teL aii li letmge Bou th iswan IIOY Ra noitulos tise sd) o nd Ision rtiodion STUPGT 2 M courexO 2. Calculate the percent relative average deviation of the measurements. asA g2 10-91200tap potkccu u merh noownod laugovaib ot as vevs ou ni owdop bus uoieias a 3. If the accepted value for the density of the bar is 6.70 g/cm3, what is the percent relative error? O Sa 4. Are these measurements more precise or more accurate? Explain. disie alua Lodton doWaber sd mat ni zbodom ow ed otauievsmonulo iior o bo t9alony 5. What is the purpose of repetition in measurements? Bodem roid Snoietoon 6S12
-Dr. Feu CnMeasurements and Density Section Name Prelab Measurements and Density oonbrea ph The following data were obtained in order to determine the density of a cylindrical metal bar. 2 6.45 otot 1 6.50 6.44 Trial Height (cm) Diameter (cm) Mass (g) 1.22 1.26 1.25 47.014 46.332 46.683 In the following calculations on this data, show the formula used, the substituted numbers, and the result. 1. Calculate the average density of the bar. snimtob I noitagup 9emecente teL aii li letmge Bou th iswan IIOY Ra noitulos tise sd) o nd Ision rtiodion STUPGT 2 M courexO 2. Calculate the percent relative average deviation of the measurements. asA g2 10-91200tap potkccu u merh noownod laugovaib ot as vevs ou ni owdop bus uoieias a 3. If the accepted value for the density of the bar is 6.70 g/cm3, what is the percent relative error? O Sa 4. Are these measurements more precise or more accurate? Explain. disie alua Lodton doWaber sd mat ni zbodom ow ed otauievsmonulo iior o bo t9alony 5. What is the purpose of repetition in measurements? Bodem roid Snoietoon 6S12
World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter2: Matter
Section: Chapter Questions
Problem 25A
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