Procedure trizent
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this
hat(y)
grapn Collect an IR spectrum of the following: polycthylene, methyl methacrylate, PMMA (that you synthesized), ethylene glycol, and polyethylene glycol. Liquids and films can be placed directly on the instrument's crystal, while any solids will need to be ground into a powder first. For each speetrurn, label the stretches that relate to the key functional groups in the samples. Put the chemical name and structure on the spectrum and turn these in with the question below.