The following data were obtained in order to determine the density of cylindrical metal bar: Trial 1 Trial 2 Trial 3 Height (cm) 6.50 6.45 6.44 Diameter (cm) 1.25 1.26 1.22 Mass (g) 46.683 46.332 47.014 In the following calculations on this data, show the formula used, the substituted numbers and the result. a) Calculate the average density of the metal bar. b) Calculate the percent relative average deviation of the measurements. c) If the accepted value for the density of the bar is 6.70 g/cm³, what is the % relative error? d) Are these measurements more precise or more accurate? Explain. e) What is the purpose of repetition in measurements?

The following data were obtained in order to determine the density of cylindrical metal bar: Trial 1 Trial 2 Trial 3 Height (cm) 6.50 6.45 6.44 Diameter (cm) 1.25 1.26 1.22 Mass (g) 46.683 46.332 47.014 In the following calculations on this data, show the formula used, the substituted numbers and the result. a) Calculate the average density of the metal bar. b) Calculate the percent relative average deviation of the measurements. c) If the accepted value for the density of the bar is 6.70 g/cm³, what is the % relative error? d) Are these measurements more precise or more accurate? Explain. e) What is the purpose of repetition in measurements?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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