Expenm 1. Why should weighing data or any other measurement data be recorded immediately in Measurement and Density your laboratory manual and not on a scrap of paper? 2. An object was carefully weighed five times on a multiple-beam balance. The balance was zeroed each time. The masses were: 11.36 g; 11.37 g; 11.40 g; 11.38 g; and 11.39 g. Calculate the average value of these measurements. (Please show all work.) a. average b. Calculate the standard deviation, s.d., of this set of measurements using the range of the data and the square root of the number of measurements averaged. (Please show all work.) s.d. =
Expenm 1. Why should weighing data or any other measurement data be recorded immediately in Measurement and Density your laboratory manual and not on a scrap of paper? 2. An object was carefully weighed five times on a multiple-beam balance. The balance was zeroed each time. The masses were: 11.36 g; 11.37 g; 11.40 g; 11.38 g; and 11.39 g. Calculate the average value of these measurements. (Please show all work.) a. average b. Calculate the standard deviation, s.d., of this set of measurements using the range of the data and the square root of the number of measurements averaged. (Please show all work.) s.d. =
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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Transcribed Image Text:TARY EXERCISES:
A 266
Date 62 1
Experiment 1
your laboratory manual and not on a scrap of paper?
Measurement and Density
2.
a.
Calculate the average value of these measurements. (Please show aln wora)
average =
b. Calculate the standard deviation, s.d., of this set of measurements using the range of
the data and the square root of the number of measurements averaged. (Please show
all work.)
s.d.
ate the density of a solid if it has a mass of 8.47 g and a volume of 3.24 cm³.
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