Does ethylene polymerize under mild conditions in the absence of a catalyst? : Polymer Chemistry
776Consider the polymerization of vinylidene chloride, ch2=ccl2. What structural variations are possible in poly(vinylidene chloride)? : Polymer Chemistry
961How can chemists control which type of polyethylene (ldpe vs. Hdpe) is generated? : Polymer Chemistry
1221Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry
577Besides the extent of branching, can you think of any other structural parameters that might lead to differences in physical properties? : Polymer Chemistry
669What kinds of structural changes accompany bond-breaking and bond-forming in olefin polymerization? : Polymer Chemistry
1217What are the other ways in which chemists can manipulate the properties of polymers? : Polymer Chemistry
623How does the molecular-level structure of these polymers influence their physical properties? : Polymer Chemistry
1 1256Examine 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
707A polymer's structure influences its physical properties. Describe two structural variations that are possible for polypropylene but not for polyethylene. : Polymer Chemistry
602What are some of the polymers that you encounter every day? Describe their physical properties. : Polymer Chemistry
682Atactic polypropylene is always produced with the [cp2zr(r)]+ catalyst. Explain this on the basis of molecular-level interactions. : Polymer Chemistry
564What is the difference between a heterogeneous and a homogeneous catalyst? What are some of the advantages of homogeneous catalysts? : Polymer Chemistry
578Post New Chemistry AllOther Questions
Define an electro chemical cell. Give one example? : Electrochemistry Corrosion
Tell me how many significant figures are there in the number 0.0036?
Define oxidation potential and reduction potential? : Electrochemistry Corrosion
how can karl fischer's titration be used to estimate alcohols??????
What is the atomic number?
What is the process for the removal of salts from brackish water or seawater to make it usable?
what is the difference between poolymer concrete and normal concrete
is is advisable to give a Pewter finish n Stainless Steel ? State the Advantages & disadvantages.
What is the difference between Assay and Purity?
Write the mathematical form of nernst equation and give one application? : Electrochemistry Corrosion
Explain how do you extract ephedrine from a mineral block?
what are the role of chemical education in sustainable development
Define electrochemical series? : Electrochemistry Corrosion
how to mesure a relation of assay by HPLC and purity in results?
Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry
