to the true VS Precision is how close those accuracy values are to eacho 2. Suppose you are given a metal object that you weigh on a centigram balance. The recorded mass is 16.78 g. The volume of the object was determined by carefully sliding the metal object into a graduated cylinder containing 27.8 mL of water. The water in the cylinder was displaced up to a final volume of 37.7 mL. 37.7ml-27.8mL = 9.9 a. Determine the density of the metal object m V D = 16.789 9.9ml b. Which measurement, mass or volume, limits the number of significant figures? Why? Volume because it has the least amount of figures which is 2. = 1.7 3. Now suppose that you carefully repeat your experiment using an analytical balance and a graduated cylinder that can be read to the nearest 0.01 mL. The recorded mass is 16.7755 g. The graduated cylinder readings before and after introducing the metal object are 27.86 mL and 37.86 mL respectively. a. Determine the density of the metal object b. Which measurement, mass or volume, limits the number of significant figures? Why?

to the true VS Precision is how close those accuracy values are to eacho 2. Suppose you are given a metal object that you weigh on a centigram balance. The recorded mass is 16.78 g. The volume of the object was determined by carefully sliding the metal object into a graduated cylinder containing 27.8 mL of water. The water in the cylinder was displaced up to a final volume of 37.7 mL. 37.7ml-27.8mL = 9.9 a. Determine the density of the metal object m V D = 16.789 9.9ml b. Which measurement, mass or volume, limits the number of significant figures? Why? Volume because it has the least amount of figures which is 2. = 1.7 3. Now suppose that you carefully repeat your experiment using an analytical balance and a graduated cylinder that can be read to the nearest 0.01 mL. The recorded mass is 16.7755 g. The graduated cylinder readings before and after introducing the metal object are 27.86 mL and 37.86 mL respectively. a. Determine the density of the metal object b. Which measurement, mass or volume, limits the number of significant figures? Why?

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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Question

Question 3

Accuracy is now close valves are to the true vale
vs Precision is how close those accuracy values are to eachoth
2. Suppose you are given a metal object that you weigh on a centigram balance. The recorded mass is
16.78 g. The volume of the object was determined by carefully sliding the metal object into a
graduated cylinder containing 27.8 mL of water. The water in the cylinder was displaced up to a
final volume of 37.7 mL.
37.7ml-27.8mL = 9.9m
a. Determine the density of the metal object
m
V
D = 16.789
9.9ml
b. Which measurement, mass or volume, limits the number of significant figures? Why?
Volume because it has the least amount of
figures which is 2.
=
1.7
3. Now suppose that you carefully repeat your experiment using an analytical balance and a
graduated cylinder that can be read to the nearest 0.01 mL. The recorded mass is 16.7755 g. The
graduated cylinder readings before and after introducing the metal object are 27.86 mL and 37.86
mL respectively.
a. Determine the density of the metal object
b. Which measurement, mass or volume, limits the number of significant figures? Why?
1-5

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