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Get Full Access to Atkins' Physical Chemistry - 11 Edition - Chapter 9d - Problem E9d.7(a)
Get Full Access to Atkins' Physical Chemistry - 11 Edition - Chapter 9d - Problem E9d.7(a)

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ISBN: 9780198769866 2042

## Solution for problem E9D.7(a) Chapter 9D

Atkins' Physical Chemistry | 11th Edition

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Problem E9D.7(a)

Now repeat Exercise 9D.6(a), but with S = 0.20.

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CHEM 101_Dr. Emil Lecture Notes and In-class problems. CHAPTER 5 NOTES OUTLINE: 5.1 Changes of State 5.2 The Gas Laws 5.3 Gas Mixtures and Partial Pressures 5.1 Changes of State Changes of state are the processes of going from one physical state to another physical state. A change of state is a physical change because covalent bonds are not formed or broken in the process. There are no intermolecular forces in the gas phase but intermolecular forces exist in the liquid phase, and are even more abundant in the solid phase.  A change of state from the solid to the liquid phase is melting; the reverse is freezing.  A change of state from liquid to gas is vaporization or evaporation; the reverse is condensation.  A solid can go directly to the gas phase, the process is known as sublimation; the reverse is deposition. During melting, vaporization, and sublimation, intermolecular forces are disrupted as kinetic energy increases. During condensation, freezing, and deposition, intermolecular forces are created as kinetic energy decreases. Energy must be added for melting, vaporization, and sublimation to occur. Energy must be removed for freezing, condensing and deposition to occur. A heating curve shows the temperature change of a substance as energy is added. Temperature increases linearly except during phase changes: at these points, the energy is being used to disrupt intermolecular forces. The first plateau is the freezing point. The second plateau is the boiling point. The am

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