
Order the following monomers according to their increasing Tg Polymethylmethacrylate b) polypropylene c)polyisobutene
Polypropylene is made up of propene monomers. Fill in the brackets to indicate what the structure of polypropylene would be. a) Write in the products. b) Will the reaction be favorable to the right? c) Explain how you deeded, referring to some numbers.
Polymer Chemistry
Arrange the following monomers in increasing order of reactivity,toward anionic polymerization and justify your answer. Arrange the following monomers in increasing order of reactivity toward cationic polymerization and justify your answer.
The copolymers of monomers A and B have the following set
temperatures:
Weight fraction of B (first column of the image): || Temperature
of hardening, °C: (second column of the image)
Estimate Tg for B and A homopolymers. Explain the
assumptions you make.
0.00 0.10 0.15 0.25 60 36 20.5 -8.0 -3.0 +5.0 0.35 0.50
a. Write the following in order of increasing atomic radius: C, Ge, Si b. Write the following in order of increasing atomic radius: Al, B, Mg c. Write the following in order of increasingly negative electron affinity: Ar, Cl, K d. Write the following in order of increasing first ionization energy: C, Ge, Si e. Write the following in order of increasing first ionization energy: Al, Be, Mg
a. Write the following in order of increasing atomic radius: C, Ge,...
1. Which one of the following has the lowest Tg? H H нн нн м dooсн) H CH3 H H CI. (b) Polymethyl methacrylate (PMMA) (d) Polyvinyl chloride (a) Polypropylene (PP) (c) Polystyrene (PS) (PVC) Answer: 2. Which one of the following has the highest T? нн CH,CH н ni н CI (d) Polyvinyl (c) Polyethylene terephthalate (PET) (a) Polypropylene (PP) (b) Polystyrene (PS) chloride (PVC) Answer:
Bring the following functions in the increasing order according to their growth rate: ? 22 ? , log(? 2 ), ? log(?) , √?, (log ?) 2 , 2 log? , 2 2? , ?2 √? , ?! All logarithms are to the base 2
Order the following 5 atoms or ions according to increasing size. Si Y N+ Ba2- Co
Rank the following compounds in order of increasing heat of hydrogenation. A C D E OD<A<C<E<B B<E<C<A<D O E<B<C<A<D OD A<E<C<B OB<C<E<A<D
explain reasoning
Rank the following in order of increasing reactivity for nucleophilic addition D<A<B<C O C<A<B<D D<C<B<A O C<B<D<A Given the reaction below, check ALL the statements that are true. * mCPBA O The reaction is called Baeyer Villiger Reaction It is a mild oxidation of ketone that forms esters The product formed is correct
Rank the following compounds in order of increasing heat of hydrogenation. A B D E OB<C<E<A<D OD A<E<C<B OB«E<C<A<D O E<B<C<A<D O DA<C<<