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Does ethylene polymerize under mild conditions in the absence of a catalyst? : Polymer Chemistry
1286Consider the polymerization of vinylidene chloride, ch2=ccl2. What structural variations are possible in poly(vinylidene chloride)? : Polymer Chemistry
1557How can chemists control which type of polyethylene (ldpe vs. Hdpe) is generated? : Polymer Chemistry
1778Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry
1071Besides the extent of branching, can you think of any other structural parameters that might lead to differences in physical properties? : Polymer Chemistry
1365What kinds of structural changes accompany bond-breaking and bond-forming in olefin polymerization? : Polymer Chemistry
1875What are the other ways in which chemists can manipulate the properties of polymers? : Polymer Chemistry
1240How does the molecular-level structure of these polymers influence their physical properties? : Polymer Chemistry
1 2210Examine samples of ldpe (sandwich bag, squeeze bottle) and hdpe (milk jug, grocery bag). What are some of the differences in the physical properties of these substances? : Polymer Chemistry
1234A polymer's structure influences its physical properties. Describe two structural variations that are possible for polypropylene but not for polyethylene. : Polymer Chemistry
1151What are some of the polymers that you encounter every day? Describe their physical properties. : Polymer Chemistry
1180Atactic polypropylene is always produced with the [cp2zr(r)]+ catalyst. Explain this on the basis of molecular-level interactions. : Polymer Chemistry
1148What is the difference between a heterogeneous and a homogeneous catalyst? What are some of the advantages of homogeneous catalysts? : Polymer Chemistry
1066Post New Chemistry AllOther Questions
What is paint? : Electrochemistry Corrosion
What do you mean by redox reaction? : Electrochemistry Corrosion
Explain the chemical formula for dichromate?
What are the other ways in which chemists can manipulate the properties of polymers? : Polymer Chemistry
Explain what is the net charge of a non-ionized atom?
Explain the properties of carbohydrates?
What is the difference between a heterogeneous and a homogeneous catalyst? What are some of the advantages of homogeneous catalysts? : Polymer Chemistry
What is the role of a catalyst? : Polymer Chemistry
Explain how do you extract ephedrine from a mineral block?
Explain why do some medications contain hcl?
Write the mathematical form of nernst equation and give one application? : Electrochemistry Corrosion
Why purity angle should be less than purity threshold in peak purity
Define oxidation potential and reduction potential? : Electrochemistry Corrosion
How to convert 673 kelvin into degrees centigrade?
Explain what is meant by "c2 symmetry" and "mirror plane symmetry". Can a molecule with "mirror plane symmetry" ever be chiral? : Polymer Chemistry
