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Van Der Waals Attractions: Strengthening London Dispersion Attraction
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<font face="Verdana, Arial, Helvetica, sans-serif" size="5" color="#FFFFFF"><strong>Van Der Waals Attractions:</strong> Strengthening London Dispersion Attraction</font>
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<td><font face="Verdana, Arial, Helvetica, sans-serif" size="4">London Dispersion attractions between molecules are not all the same. Some are stronger than others. Below you will explore the relationship between size, shape, and increased London Dispersion attraction.</font></td>
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<font face="Verdana, Arial, Helvetica, sans-serif" size="4">Select a
pair of molecules to test from the menu below the model, press the "run"
button, and then use the arrow keys to pull on one of the molecules.</font>
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<strong><font face="Arial, Helvetica, sans-serif" size="4">Which molecule
pairs had the strongest attraction (check all that apply):</font></strong>
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the two small molecules
the two large straight molecules
the large straight and bent molecules
the large straight and circular molecules
the large curved and circular molecules
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<strong><font face="Arial, Helvetica, sans-serif" size="4">Propane boils
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molecules. Which one is the biggest? </font></strong>
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propane
butane
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<strong><font face="Arial, Helvetica, sans-serif" size="4">Small molecules
did not attract well. However, only some of the large ones had a strong
attraction. Describe how both size and shape play a role in the strength
of the London Dispersion attraction.</font></strong>
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