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Get Full Access to Atkins' Physical Chemistry - 11 Edition - Chapter 9c - Problem P9c.2
Get Full Access to Atkins' Physical Chemistry - 11 Edition - Chapter 9c - Problem P9c.2

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ISBN: 9780198769866 2042

## Solution for problem P9C.2 Chapter 9C

Atkins' Physical Chemistry | 11th Edition

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Atkins' Physical Chemistry | 11th Edition

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Problem P9C.2

Before doing a calculation, sketch how the overlap between a 1s orbital and a 2p orbital directed towards it can be expected to depend on their separation. The overlap integral between an H1s orbital and an H2p orbital directed towards it on nuclei separated by a distance R is S = ($$R / a_{0}$$){1 + ($$R / a_{0}$$)+ $$\left.\frac{1}{3}\left(R / a_{0}\right)^{2}\right\} \mathrm{e}^{-R / a_{0}}$$. Plot this function, and find the separation for which the overlap is a maximum.

Text Transcription:

R/a_0

13R/a_0^2e^-R/a_0

Step-by-Step Solution:
Step 1 of 3

Intermolecular Forces - Molecules leave surface of liquids and enter gas state; re-enter liquid phase through surface - When vapor pressure = room pressure, the liquid is then boiling - Compounds are held together by different forces - Dipole- no + or -; distributed evenly - Hydrocarbons are always nonpolar - Van der Waal’s forces: attractive forces that hold particles together in the condensed phases that include dipole-dipole interactions and dispersion forces - Dispersion forces are present in all molecules to hold them together - Dipole attraction must include polar molecules - Hydrogen bonding occurs in molecules that contain H bonded to a small electronegative atom - Crystal structure of extended solids: Unit cell represents simplest structure - Simple cubic 1 unit cell=8 corner atoms * ⅛ = 1 total atom - Body- centered cubic 1 unit cell=8 corner atoms * ⅛ + atom in middle = 2 - Tungsten Volume Unit cell Unit cell Unit cell SC 1 atom/cell; BCC 2 atoms/cell; FCC 4 atoms/cell

Step 2 of 3

Step 3 of 3

##### ISBN: 9780198769866

The answer to “?Before doing a calculation, sketch how the overlap between a 1s orbital and a 2p orbital directed towards it can be expected to depend on their separation. The overlap integral between an H1s orbital and an H2p orbital directed towards it on nuclei separated by a distance R is S = ($$R / a_{0}$$){1 + ($$R / a_{0}$$)+ $$\left.\frac{1}{3}\left(R / a_{0}\right)^{2}\right\} \mathrm{e}^{-R / a_{0}}$$. Plot this function, and find the separation for which the overlap is a maximum.Text Transcription:R/a_013R/a_0^2e^-R/a_0” is broken down into a number of easy to follow steps, and 79 words. This full solution covers the following key subjects: . This expansive textbook survival guide covers 327 chapters, and 1120 solutions. Atkins' Physical Chemistry was written by Aimee Notetaker and is associated to the ISBN: 9780198769866. Since the solution to P9C.2 from 9C chapter was answered, more than 201 students have viewed the full step-by-step answer. The full step-by-step solution to problem: P9C.2 from chapter: 9C was answered by Aimee Notetaker, our top Chemistry solution expert on 04/25/22, 03:45PM. This textbook survival guide was created for the textbook: Atkins' Physical Chemistry, edition: 11.

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