Hon Chemistry 11-20-20 Polymers

HON CHEMISTRY: Oh, my word! We finally finished the chapter! Have you had a chance to check out the Chapter 7 Stuff to Know sheet?

Also amazing – did you realize molecules could be that large? And so many of them! Don’t you think polymers are some pretty unique compounds? Let’s play with them next week!

Some items for contemplation: why are certain plastics recyclable and others not…and what about dishwasher and microwave safe?


Image source: http://www.packtech.ca/pb/images/img32161428fffbe41e07.jpg

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7 thoughts on “Hon Chemistry 11-20-20 Polymers

  1. How does the symbols used in chemical equations change the reaction? It changes the equation’s product, the function, and how it will react later.

  2. Q: Why do we use vulcanized rubber for our tires instead of natural rubber tires?

    A: Natural rubber tires will start to deform over time due to the heat from the engine and other parts of the car. This is because their bonds start to break under the heat. In contrast, vulcanized rubber tires do not deform under this heat and can last longer because of their strong cross linked bonds with sulfur.

  3. q: why do the transition metals of the periodic table have more than one charge ?

    a: the elements of the transition metals have more than one charge because they have the capability of forming more than one ion.

  4. Q: Why does Oxygen have an oxidation number of +2 when combined with Fluorine?

    A: Fluorine is the most electronegative element, and oxygen is the second most. This means that Fluorine is the only element that can attract elements from Oxygen. Fluorine is more electronegative than Oxygen, so it will attract electrons from Oxygen.

  5. Q: Why does Oxygen have an oxidation number of +2 when combined with Fluorine?

    A: Fluorine is the most electronegative element, and oxygen is the second most. This means that Fluorine is the only element that can attract elements from Oxygen. Fluorine is more electronegative than Oxygen, so it will attract electrons from Oxygen.

  6. Q: Why does heat melt polymers that have a linear structure more easily than polymers with a crosslinked structure?
    A: Because the heat only has to pull apart the bonds between two separate chains of polymers instead of breaking the bonds of two chains of polymers connected together.

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