“Conceptual Question”
After combing the fur of a cat with a plastic comb, you find that the comb can attract an empty
aluminum soft-drink can. The can, lying on its side on a wooden tabletop, rolls toward the comb.
Remarkably, even after you touch the comb to the can, the can still is attracted to the comb. Explain
these observations.
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“Conceptual Question” After combing the fur of a cat with a plastic comb, you find that...
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Pre-Laboratory Exercise: Plastics Identification I. List four properties that you will use in lab to determine the identity of the polymer samples 2. Describe the density test. What observation will help you determine the density of each polymer? What precautions should be taken in placing the sample in the solutions? 3. Write the name and abbreviation for the six recyclable polymers 2 huetn deisity polyetayene.HDpz poulene: PP 4. Given the list of wavenumber...