2. You are weighing a solid on our analytical balances and are weighing by difference. Your initial mass is 58.2030 g and your final mass is 57.1823 g. The absolute uncertainty in both measurements, equal to the precision of the balance, is ± 0.0002 g. A correct way to state the mass weighed out and corresponding uncertainty is: a) 1.0207 ± 0.0004 g b) 1.0207 g ± 0.3% c) 1.0207 g d) 1.0207 ± 0.0003 g e) None of these

2. You are weighing a solid on our analytical balances and are weighing by difference. Your initial mass is 58.2030 g and your final mass is 57.1823 g. The absolute uncertainty in both measurements, equal to the precision of the balance, is ± 0.0002 g. A correct way to state the mass weighed out and corresponding uncertainty is: a) 1.0207 ± 0.0004 g b) 1.0207 g ± 0.3% c) 1.0207 g d) 1.0207 ± 0.0003 g e) None of these

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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However, there are many other commercially purchased inorganic and organic compounds that people routinely used in their households (or in their everyday lives). A list of 19 chemicals with common names are written below. Find each of these items in your home or in a local grocery and take picture of the container (if you do not have access to all of them choose at least 12 of them) and then complete the table below. For #16 and 17 you choose any other house hold chemical and complete the table. • Inorganic compounds 1) table salt, 2) baking soda, 3) washing soda, 4) photographic fixer, 5) Epsom salt, 6) alum, 7) chalk, 8) corn starch, 9) sand, 10) active ingredient in toothpaste or cleansing agent and disinfectant, 11) decolorizing carbon Organic compounds Naming of organic compounds will be discussed in details in Lab 10 however there are still some simple organic compounds that you encounter at your home. Organic compounds are compounds that contain at least one carbon with one…