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discussion8key - C118 Discussion Worksheet #8 Due in...

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Due in discussion next week (10/26 or 10/27) Each question is worth 1 pt. if totally correct. Therefore, 2 extra credit points could be earned. (7 pts. total) Name ______________________________________ Be sure you are able to do the following problems. Ask about them in discussion if you have questions. Ch1 : End of Chapter problems: 2, 4, 5, 6, 8, 11, 12, 26, 33, 34, 35, 36, 37, 38, 41, 43, 44 Homework: 1. (1 pt.) The EPA sets the permissible limit for the average concentration of carbon monoxide in an 8 hour period at 9 ppm. a. Express this concentration as a %. 9 ppm can be written as: es airmolecul x s COmolecule 6 10 1 9 Converting this to %: es airmolecul x s COmolecule 6 10 1 9 x100 = 9 x 10 -4 % b. Express this concentration in ppb. 9 ppm can be written as: es airmolecul x s COmolecule 6 10 1 9 Converting to ppb: es airmolecul x s COmolecule 6 10 1 9 x10 9 = 9000ppb c. If you inhale 2 x 10 22 molecules per breath, how many carbon monoxide molecules do you inhale in each breath? Assume you are breathing a concentration of
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This note was uploaded on 07/02/2011 for the course CHEM-C 118 taught by Professor Flood during the Spring '10 term at Indiana.

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discussion8key - C118 Discussion Worksheet #8 Due in...

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