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The resolution limit of a microscope is roughly equal to

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 49E Chapter 7

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 49E

Problem 49E

The resolution limit of a microscope is roughly equal to the wavelength of light used in producing the image. Electron microscopes use an electron beam (in place of photons) to produce much higher resolution images, about 0.20 nm in modern instruments. Assuming that the resolution of an electron microscope is equal to the de Broglie wavelength of the electrons used, to what speed must the electrons be accelerated to obtain a resolution of 0.20 nm?

Step-by-Step Solution:
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SolutionStep1First ionization energy is the energy required to remove the most loosely held outermost electronfrom an isolated gaseous atom.Since energy has to be supplied to remove the electron,the valueof ionization energy is always positive.NOTE:(Whenever energy is absorbed or supplied to an atom, its sign will be positive.Whenever energy is released or taken away from an atom ,its sign will be negative.)Electron affinityAs the name suggests, electron affinity is the ability of an atom to accept an electron.The morethe electron affinity value,the higher an atoms affinity for electronsNOTE:(Atoms that become more stable with the addition of an electron show a decrease in potentialenergy; i.e. the energy gained by the atom appears to be negative(or in other words energy isreleased). For atoms that become less stable upon gaining an electron, potential energy increases,which implies that the atom gains energy. In such a case, the atom's electron affinity value ispositive.)

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Chapter 7, Problem 49E is Solved
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Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

This full solution covers the following key subjects: resolution, electron, Microscope, wavelength, used. This expansive textbook survival guide covers 82 chapters, and 9454 solutions. Chemistry: A Molecular Approach was written by and is associated to the ISBN: 9780321809247. Since the solution to 49E from 7 chapter was answered, more than 330 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 49E from chapter: 7 was answered by , our top Chemistry solution expert on 02/22/17, 04:35PM. The answer to “The resolution limit of a microscope is roughly equal to the wavelength of light used in producing the image. Electron microscopes use an electron beam (in place of photons) to produce much higher resolution images, about 0.20 nm in modern instruments. Assuming that the resolution of an electron microscope is equal to the de Broglie wavelength of the electrons used, to what speed must the electrons be accelerated to obtain a resolution of 0.20 nm?” is broken down into a number of easy to follow steps, and 75 words. This textbook survival guide was created for the textbook: Chemistry: A Molecular Approach, edition: 3.

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The resolution limit of a microscope is roughly equal to