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Does ethylene polymerize under mild conditions in the absence of a catalyst? : Polymer Chemistry
1241Consider the polymerization of vinylidene chloride, ch2=ccl2. What structural variations are possible in poly(vinylidene chloride)? : Polymer Chemistry
1507How can chemists control which type of polyethylene (ldpe vs. Hdpe) is generated? : Polymer Chemistry
1734Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry
1016Besides the extent of branching, can you think of any other structural parameters that might lead to differences in physical properties? : Polymer Chemistry
1305What kinds of structural changes accompany bond-breaking and bond-forming in olefin polymerization? : Polymer Chemistry
1818What are the other ways in which chemists can manipulate the properties of polymers? : Polymer Chemistry
1186How does the molecular-level structure of these polymers influence their physical properties? : Polymer Chemistry
1 2131Examine 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
1180A polymer's structure influences its physical properties. Describe two structural variations that are possible for polypropylene but not for polyethylene. : Polymer Chemistry
1103What are some of the polymers that you encounter every day? Describe their physical properties. : Polymer Chemistry
1128Atactic polypropylene is always produced with the [cp2zr(r)]+ catalyst. Explain this on the basis of molecular-level interactions. : Polymer Chemistry
1091What is the difference between a heterogeneous and a homogeneous catalyst? What are some of the advantages of homogeneous catalysts? : Polymer Chemistry
1004Post New Chemistry AllOther Questions
How to convert -40 of into centigrade?
What do you mean by redox reaction? : Electrochemistry Corrosion
Define a substituted hydrocarbon?
why using HCLO4 in potentiometry?. what are the chacterestics of HCLO4.
Explain the secondary structure of proteins?
Define an electrochemical corrosion. What are the types of electrochemical corrosion? : Electrochemistry Corrosion
What are the two most abundant elements in the universe?
Explain the function of mitochondria?
Explain the dipole moment direction for methanol?
What are the types of insulators?
Define hydra?
Tell me the common name of the molecule dihydrogen dioxide?
what is meaning of wet analysis.
Name the branch of chemistry that deals with the relationship between electricity and chemical reactions?
What is acid anhydride of h2co3?
