James Matthew Jocson*‚ Gianvittorio Lanta‚ Chiqui Ann Llamado‚ Jeron Manaig College of Science Department of Biology University of Santo Tomas‚ Manila‚ Philippines Abstract Five oxygen-bearing organic compounds were given namely Methanol‚ 2-propanol‚ tert - butanol‚ formalin‚ and acetone. Different tests were done to each sample to differentiate their characteristics. These test were Dichromate test‚ Tollens Test‚ DNPH test‚ Iodoform Test‚ and Lucas Test. This was conducted to classify the samples from
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to a carbon atom of the aromatic ring which occurs by treatment of benzene (or substituted benzene) with a stable carbocation. The purpose of this experiment is to synthesize 1‚ 4-Di-t-butyl-2‚ 5 – dimethoxybenzene via the Friedel-Crafts alkylation mechanism by reacting 1‚ 4 – dimethoxybenzene with tertiary-butyl alcohol in the presence of sulfuric acid as a Lewis acid catalyst‚ and involves the attack of the aryl group at the electrophilic trimethylcarbocation. The resulting product will be recrystallized
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layer‚ then it is the organic layer. Tube 1 (water and n-butyl chloride)‚ after adding couple droplets of water‚ the water seems to dissolved at the bottom layer. This make sense because the density of water is 1000 kg/m3 is more dense than n-butyl chloride (880 kg/m3) and so we can say that water would be the bottom layer that’s why when water droplets was added in‚ the water dissolved at the bottom layer. Tube number 2 (water and n-butyl bromide)‚ after adding few drops of water‚ the bottom layer
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mine drainage Advanced treatment Wastewater renovation and conservation cycle Water pollution Pollution Reclaimed water Nonpoint sources 3: Questions to Consider: What is the principal cause of cultural eutrophication? If MTBE (methyl tert-butyl ether) has such an impact on groundwater‚ why is it added to gasoline? If sediment is from natural sources‚ why is it considered a water pollutant? Saltwater intrusion results from The level of decaying organic matter in water is indicated by what
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reactions are important to understand because they allow chemists to design synthesis of complex molecules from very simple organic molecules. The reagents used were 2‚3-dimethylbutane as the carbon chain‚ t-butyl peroxybenzoate as the initiator‚ and sulfuryl chloride as the source of chloride radicals. The predicted products are 1-chloro-2‚3-dimethylbutane and 2-chloro-2‚3-dimethylbutane based on the primary or tertiary hydrogen being replaced with chlorine. The predicted ratio of these products
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Production of Biodiesel by Enzymatic Transesterification: using Waste Cooking Oil as feedstock and Candida Antarctica Lipase B as Biocatalyst. CHAPTER 1 INTRODUCTON The high cost of bio-diesel‚ compared to petroleum-based diesel‚ is a major barrier to its commercialization. It has been reported that 60-90% of bio-diesel cost arises from the cost of the feedstock oil (C.C. Lai et al.‚ 2005). Studies showed the potential of waste-cooking oil (WCO) as a material for biodiesel production
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of OH- did not affect the rate of the reaction or reaction constant. The hydroxide has a rate order of zero and the t-butyl chloride has an order of‚ so overall rate order of 1. This is because the change in t-butyl chloride concentration did impact the reaction and the increase in concentration increased the reaction rate and the rate constant. In addition‚ in the t-butyl chloride structure the chlorine is attached to a tertiary carbon so the preferred reaction due to carbocation stability is also
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Reagent/Product Structure Hazards First Aid acetone Causes skin and eye irritations‚ hazardous when ingested or inhaled. The substance is toxic to central nervous system (CNS). The substance may be toxic to kidneys‚ the reproductive system‚ liver‚ skin. Repeated or prolonged exposure to the substance can produce target organs damage. . aniline Hazardous in case of skin contact (irritant‚ permeator)‚ of eye contact (irritant)‚ of ingestion‚ of inhalation. Severe overexposure can result
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The present invention relates to polyvinyl chloride plastisol compositions‚ for example sealant compositions. In the manufacture of automobiles‚ the automobile body is initially primed with a coating composition to prevent corrosion of the metal. This can be done in a number of ways although generally it is performed by cationic electrodeposition using the auto body as the cathode. Once the automobile body has been primed in this manner‚ subsequent steps in the assembly are carried out. These
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CH3 O Acetic anhydride Ethyl acetate Acid chlorides form esters by reaction with alcohols. O CH3CH2CH2OH 1-Propanol + H3C Cl Acetyl chloride C H3C O C O CH2CH2CH3 + HCl n-Propyl acetate In the latter reaction‚ an organic base such as pyridine is usually added to react with the hydrogen chloride. A number of other methods can be used to synthesize the ester group. Among these are the addition of 2methylpropene to an acid to form t-butyl esters‚ the addition of ketene to make acetates
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