Does ethylene polymerize under mild conditions in the absence of a catalyst? : Polymer Chemistry
786Consider the polymerization of vinylidene chloride, ch2=ccl2. What structural variations are possible in poly(vinylidene chloride)? : Polymer Chemistry
971How can chemists control which type of polyethylene (ldpe vs. Hdpe) is generated? : Polymer Chemistry
1231Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry
588Besides the extent of branching, can you think of any other structural parameters that might lead to differences in physical properties? : Polymer Chemistry
678What kinds of structural changes accompany bond-breaking and bond-forming in olefin polymerization? : Polymer Chemistry
1228What are the other ways in which chemists can manipulate the properties of polymers? : Polymer Chemistry
631How does the molecular-level structure of these polymers influence their physical properties? : Polymer Chemistry
1 1267Examine 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
718A polymer's structure influences its physical properties. Describe two structural variations that are possible for polypropylene but not for polyethylene. : Polymer Chemistry
606What are some of the polymers that you encounter every day? Describe their physical properties. : Polymer Chemistry
688Atactic polypropylene is always produced with the [cp2zr(r)]+ catalyst. Explain this on the basis of molecular-level interactions. : Polymer Chemistry
574What is the difference between a heterogeneous and a homogeneous catalyst? What are some of the advantages of homogeneous catalysts? : Polymer Chemistry
590Post New Chemistry AllOther Questions
Why are olefins (alkenes) good monomers for polymerization reactions? : Polymer Chemistry
Explain the ionic equation for hcl-naoh?
What is a tripod?
What is the difference between Assay and Purity?
Define electrochemical series? : Electrochemistry Corrosion
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What is bed worth rule? : Electrochemistry Corrosion
how to mesure a relation of assay by HPLC and purity in results?
Explain the difference between hcl acid and hcl gas?
Explain the chemical formula for dichromate?
What does it mean for a molecule or a ligand to be "chiral"? What properties does chirality impart to a molecule? : Polymer Chemistry
Atactic polypropylene is always produced with the [cp2zr(r)]+ catalyst. Explain this on the basis of molecular-level interactions. : Polymer Chemistry
Explain the dipole moment direction for methanol?
Explain how many moles of hcl are present in .70 l of a .33 m hcl solution?
Define an isomer?
