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Organic Chemistry (342) - Inorganic Chemistry (123)
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Besides 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
1814What 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
1178A 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
1004"Co-polymers" consist of two different monomers ("a" and "b") joined in an alternating fashion (ababab...). Block co-polymers also consist of two different monomers, but in this case blocks of polymer containing only a units are joined to blocks of polymer containing only b units (aaaaabbbbb...). How might block co-polymers be synthesized? : Polymer Chemistry
1095How an electrochemical is measured? Define emf of an electrochemical cell? : Electrochemistry Corrosion
1076What are the differences between chemical and electrochemical corrosion? : Electrochemistry Corrosion
1093
Explain why acetic has less conductivity than hcl?
for inorganic molecules require to do RS, Assay and disso?
Why ph scale range is 14?
How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?
when are the result of sbi clerical come
Actinium is often considered a rare and scarce element. How does its rarity impact its industrial uses and research purposes?
what is definition of validation? which components are followed give detail?
Why sodium hydroxide used for maintain pH of phosphate buffer
what are the differences between assay procedures and estimation in chemical analysis? also what is the equivalent factor that we consider in assay analytical procedures?
what is the indicator used?
Why are metals often good catalysts? : Polymer Chemistry
What are filters? Why are they used?
SET Examination Previous Questions
What is a cell?
What is the purpose of octyl silane columns?
