21st Century Astronomy And Learning Astronomy By Doing Astronomy (fifth Edition)
21st Century Astronomy And Learning Astronomy By Doing Astronomy (fifth Edition)
5th Edition
ISBN: 9780393613360
Author: Laura Kay, Ana Larson, Stacy Palen, George Blumenthal
Publisher: W. W. Norton & Company
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Chapter 20, Problem 31QP
To determine

The ratio between the radius of the Milky Way’s outer halo and the radius of the disk.

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Given water's mass of 18g/mole and the value of the fundamental charge (charge magnitude of the electron and proton), use the largest charge density from the article to determine what fraction of water molecules became ionized (charged) due to triboelectric effects when it flows through the material that causes the largest charge transfer.  Give your answer in e/molecule, or electrons transferred per molecule of water.  For instance, a value of 0.2 means only one in five molecules of water loses an electron, or that 0.2=20% of water molecules become charged
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