Chemistry 1301A/B Study Guide - Final Guide: Low-Density Polyethylene, Glycogen, Cell Nucleus

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Van der waals forces are the main intermolecular forces. > results in low melting and boiling points. > as alkanes increase in chain length, the boiling points increase. Not highly reactive (one of the least reactive in organic molecules) > this is because more intermolecular forces come/join closer. Bonding arrangement that causes it to be chemically stable (it lies flat) > resulting an overall double bond of zero. *non-polar unless they have side groups that are polar* Properties depend on the arrangement of the c-atoms within the molecule. Because of the -oh group, alcohols are polar molecules. Alcohols have high boiling points due to the -oh that undergoes hydrogen bonding. > boiling points increase as the carbon chain increases. Soluble in water, but the longer the chain the less soluble it will become (because of more h atoms) Note: to make methanol, the reaction is as followed: > a catalyst, high pressure, and high heat are/must be used.

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