In conclusion to the distillation lab‚ I think our data shows that our experiment went well. Our graph resembles the graph in the lab handout (graphs attached to lab notebook sheets). The fractional distillation shows the sharp slope between when the cyclohexane burns off and mostly only toluene remains. The microscale graph seems to be accurate because it shows the large jump where the cyclohexane is burned off. To view the apparatuses used in the experiment look at the attached pictures. To
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Discussion: Continuous distillation‚ a form of distillation‚ is an ongoing separation in which a mixture is continuously (without interruption) fed into the process and separated fractions are removed continuously as output streams. A distillation is the separation or partial separation of a liquid feed mixture into components or fractions by selective boiling (or evaporation) and condensation. A distillation produces at least two output fractions. These fractions include at least one volatile
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Rayon is a manufactured regenerated cellulose fiber. Because it is produced from naturally occurring polymers‚ it is neither a truly synthetic fiber nor a natural fiber; it is a semi-synthetic[1] fiber. Rayon Fiber Characteristics o Highly absorbent o Soft and comfortable o Easy to dye o Drapes well Some Major Rayon Fiber Uses • Apparel: Accessories‚ blouses‚ dresses‚ jackets‚ lingerie‚ linings‚ millinery‚ slacks‚ sportshirts‚ sportswear‚ suits
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Microbial Cell Factories BioMed Central Open Access Research Metabolic engineering of Saccharomyces cerevisiae for the production of n-butanol Eric J Steen1‚2‚ Rossana Chan1‚3‚ Nilu Prasad1‚3‚ Samuel Myers1‚3‚ Christopher J Petzold1‚3‚ Alyssa Redding1‚3‚ Mario Ouellet1‚3 and Jay D Keasling*1‚2‚3‚4 Address: 1Joint BioEnergy Institute‚ 5885 Hollis Avenue‚ Emeryville‚ CA 94608‚ USA‚ 2Department of Bioengineering‚ University of California‚ Berkeley‚ CA 94720‚ USA‚ 3Physical Biosciences
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(reference the list of simple alkanes) e. Circle the branches. f. Name and number the branches‚ forward to backward. Use the lowest set of numbers. g. if the branches are different their names are put in alphabetical order. Butyl‚ ethyl‚ methyl‚ propyl Note: If 2 identical groups = di If 3 identical groups = tri If 4 identical groups = tetra If 5 identical groups = penta If 6 identical groups = hexa If 7 identical groups = hepta 5. Consider this compound
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Polish the zinc strip using steel wool and then determine its mass. Allow the strip to sit in lead acetate for approximately an hour and observe the changes in the zinc strip. The zinc starts to accumulate particulate matter (lead particles) on its surface. This is cause by the chemical reaction that occurs between the lead acetate and the zinc strip. The strip is then rinsed in water and acetate and then dried. The particles of lead are scraped off the strip and dried thoroughly and then weighed
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utilized in chemical castration are cyproterone acetate‚ medroxyprogesterone‚
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how much they resist changes to pH. This is accomplished by having ten graduated beakers: two containing pure water‚ two with .1 M Sodium Chloride‚ two with 1 gram of solid sodium acetate dissolved in acetic acid‚ two with 5 grams of solid sodium acetate dissolved in acetic acid‚ and two with 10 grams of solid sodium acetate dissolved in acetic acid. These are split into two groups of five containing one of each solution. The pH of each solution is then measured and a pipette is used to distribute 1
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To get to aniline‚ tin metal acts as a reducing agent and is oxidized to SnCl4. The purification of crude aniline is done by distillation and extraction. Aniline can be converted to acetanilide by acetylation reaction using acetic anhydride with sodium acetate. This step protects the amine functional group from doing unwanted reactions during chlorosulfonation and amination steps. The chlorosulfonyl group attacks in the para position to
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| acid of sugar | oxalic acid – used in cleaning or bleaching‚ especially for the removal of rust (iron complexing agent) | ackey | nitric acid | alcali volatil | ammonium hydroxide - ingredient in cleaning agents | alcohol‚ grain | ethyl alcohol | alcohol sulfuris | carbon disulfide – used in fumigation‚manufacturing‚insecticide and solvent | alcohol‚ wood | methyl alcohol - used as an antifreeze‚ solvent‚ fuel‚ and as adenaturant for ethanol | alum | aluminum potassium sulfate
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