strong odour in one of any of these soilds would simply mean that the molecules leave the surface easily. 10. From your answer to question 1‚ which of the two types of solids seem to have the stronger forces of attraction? Explain your answer. Camphor has a very strong odor which makes it easy for the particles in the soild leave it’s surface. The particle attraction to the soild is not very strong which means that the particles would leave the soild which then triggers a strong smell. 11. From
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Green Oxidation of Borneol to Camphor Abstract: This lab converted borneol to camphor using a green oxidation. Sodium hypochlorite was used instead of the less “green” Jones reagent. Borneol was mixed with glacial acetic acid and oxidized with sodium hypochlorite to make crude camphor. The crude camphor was purified by sublimation. The final product was characterized by obtaining a melting point and inferred spectroscopy. The experiment was carried out to see if bleach could oxidize borneol
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Keeping it Liquid Introduction: Phase changes within our world play a key role in how substances can be manipulated‚ and formed. A phase change is‚ “a change from one state (solid or liquid or gas) to another without a change in chemical composition” (Collins Italian Dictionary‚ 2016). Moreover‚ in this experiment‚ the use of tert-butanol was needed to perform phase changes. Tert-butanol is colorless oily with sharp odors‚ mixes with water‚ and has a freezing point of 78 degrees Farenheit (PubChem
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solids – ionic and molecular. The samples used are sodium chloride (ionic) and camphor (molecular). The physical properties studied are odour‚ hardness‚ melting point‚ solubility in water and solubility in 2-propanol. It is observed that some of the physical properties of sodium chloride are no odours‚ hard‚ a high melting point‚ soluble in water and insoluble in 2-propanol; some of the physical properties of camphor are a strong odour‚ soft‚ a low melting point‚ insoluble in water and soluble in
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City Date Performed: February 2; February 4‚ 2011 Date Submitted: February 18‚ 2011 Abstract The purpose of this experiment is to isolate the essential oil from eucalyptus leaves as a pure compound; moreover‚ the components of the essential oil‚ camphor and limonene‚ will be then separated using gas chromatography technique‚ identify the components by their retention times‚ and compute for the concentration and percentage content of each component by their peak areas and peak heights. The volatile
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ASSIGNMENT ON PHARMACEUTICAL IMPORTANCE OF STEREOCHEMISTRY PREPARED FOR: Nowshin Nowaz Rumzhum Lecturer‚ Dept. of pharmacy Stamford University Bangladesh PREPARED BY: Md. Wahid Rezwan ID No: BPH02805674 Batch No: 28th D STAMFORD UNIVERSITY BANGLADESH Introduction: Stereochemistry may seem like a trivial
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necessary to yield the desired effects. Therefore‚ it is necessary for synthetic chemists to have reagents that allow them to be selective in their manipulation of a molecule‚ be it in oxidation‚ reduction‚ or in the addition of a functional group. In this lab we will examine the stereoselectivity of the reduction of 4-tert-butylcyclohexanone (Figure 1) using sodium borohydride (Figure 2). In the first week of this lab we will use sodium hypochlorite (Figure 3) to oxidize (Mechanism: Figure 6) commercial
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by screening whole organisms (usually bacteria and fungi) to uncover those that catalyzed the desired transformation. This strategy has proven especially successful with steroid biotransformations in which site‐selective hydroxylation or carbonyl reductions are the typical goals (Mahato and Majumdar‚ 1993; Warhurst and Fewson‚ 1994). Many organizations have accumulated large microbial culture collections‚ and these have provided the ‘‘hits’’ that have been—and continue to be—developed into commercial
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(a) Determine the empirical formula of the compound. [pic] [pic] [pic] [pic] [pic] [pic] (C3.5H6O1)2 = C7H12O2 (b) A solution of 1.570 g of the compound in 16.08 g of camphor is observed to freeze at a temperature 15.2° C below the normal freezing point of pure camphor.
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Alkynes Chapter 7 Triple Bond Structure Nomenclature IUPAC: use the infix -yn- to show the presence of a carbon-carbon triple bond 4 3 2 1 2 3 4 6 7 5 1 2 3 4 6 7 5 1 3-Methyl-1-butyne 6‚6-Dimethyl-3-heptyne 1‚6-Heptadiyne Common names: prefix the substituents on the triple bond to the name “acetylene” IUPAC name: Common name: 2-Butyne D imethylacetylene 1-Buten-3-yne Vinylacetylene Physical Properties
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