Four states
Figure to remind the phase change words.
6 Matching Annotations
- Jan 2026
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chem.libretexts.org chem.libretexts.org
- Aug 2025
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chem.libretexts.org chem.libretexts.org
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Dipole-Dipole interactions occur between polar molecules. Polar covalent bonds occur between atoms of different electronegativity, where the more electronegative atom attracts the electrons more than the electropositive atom. This results in a molecule where the center of positive charge (defined by the nuclei) does not coincide with the center of negative charge (defined by the electron orbitals).
Explanation for dipole-dipole interactions and the formation of polar molecules due to differences in electronegativity.
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- Aug 2022
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chem.libretexts.org chem.libretexts.org
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The cubic unit cell is the smallest repeating unit when all angles are 90o and all lengths are equal (figure 12.1.b)
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chem.libretexts.org chem.libretexts.org
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some will evaporate until it reaches its equilibrium
Equillibrium Vapor Pressure definition - rate of evaporation = rate of condensation.
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That is, for molecules of similar mass, the stronger the intermolecular forces the lower the vapor pressure
The stronger the IM forces. The lower the vapor pressure.
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- Sep 2021
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chem.libretexts.org chem.libretexts.org
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αα\large\alpha = angle in the yz plane
Important for Exam 1 need to know what this is.
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