Chem3AL-Lab1 - Investigating Solubility and Acid-Base...

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Investigating Solubility and Acid-Base Reactions In the first part of the lab, seven different chemicals were used to demonstrate solubility in the solvent hexane, a straight-chain alkane with Induced Dipole-Induced Dipole interactions (ID-ID). The six solutes were diethyl ether (a polar molecule with Dipole-Dipole interactions (D-D) and ID- ID along the ethyl group), ethyl acetate (another polar molecule with ethyl groups but stronger D-D), acetone (another polar molecule but with less ID- ID because of a smaller alkane group), ethanol (a non-polar alkane with ID-ID and hydrogen bonding (D-D)), dichloromethane (a polar molecule capable of D-D), and water (a polar molecule with hydrogen bonding). After mixing these compounds together, all mixtures except for hexane and water were soluble as the dense water formed a separate layer. The contrasts between the two molecules (described above) caused the molecules to remain in more stable state with similar molecules. In the second part of the lab the five of the six previous solutes, as well as toluene (a non-polar cycloalkane with ID-ID), were put into solution with water as the solvent. It was expected, knowing the results of the previous section, to see that the four of the five previously known solutes
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This note was uploaded on 02/02/2009 for the course CHEM 3AL taught by Professor Li during the Summer '08 term at Berkeley.

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Chem3AL-Lab1 - Investigating Solubility and Acid-Base...

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