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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
1554How can chemists control which type of polyethylene (ldpe vs. Hdpe) is generated? : Polymer Chemistry
1775Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry
1067Besides the extent of branching, can you think of any other structural parameters that might lead to differences in physical properties? : Polymer Chemistry
1359What kinds of structural changes accompany bond-breaking and bond-forming in olefin polymerization? : Polymer Chemistry
1869What are the other ways in which chemists can manipulate the properties of polymers? : Polymer Chemistry
1237How does the molecular-level structure of these polymers influence their physical properties? : Polymer Chemistry
1 2206Examine 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
1232A polymer's structure influences its physical properties. Describe two structural variations that are possible for polypropylene but not for polyethylene. : Polymer Chemistry
1148What are some of the polymers that you encounter every day? Describe their physical properties. : Polymer Chemistry
1178Atactic polypropylene is always produced with the [cp2zr(r)]+ catalyst. Explain this on the basis of molecular-level interactions. : Polymer Chemistry
1147What is the difference between a heterogeneous and a homogeneous catalyst? What are some of the advantages of homogeneous catalysts? : Polymer Chemistry
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What is the difference between a heterogeneous and a homogeneous catalyst? What are some of the advantages of homogeneous catalysts? : Polymer Chemistry
Explain the properties of carbohydrates?
What is the principle of Particle size analysis and zeta potential
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Write the mathematical form of nernst equation and give one application? : Electrochemistry Corrosion
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What are some of the polymers that you encounter every day? Describe their physical properties. : Polymer Chemistry
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Why do different polymers have different properties? : Polymer Chemistry
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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
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Examine 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
How to convert -40 of into centigrade?
