The goal of this experiment was to synthesize dibenzalacetone by aldol synthesis. The name ’Aldol synthesis’ was taken from the words ’aldehyde and alcohol’. This is because the product of this reaction contains both an aldehyde and alcohol. The carbon-carbon bond-forming reaction is referred to as aldol addition. An aldol condensation yields many species of products if the reactant is more than one. Therefore‚ the aldehyde has to react with itself to yield one product. Procedure: Followed according
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Recrystallization Abstract: Technical grade aniline was reacted with acetic anhydride to give acetanilide a dark brown color‚ due to the presence of impurities. Crystallization of the crude product from water was combined with decolorization with activated carbon‚ furnished pure acetanilide as white flakes‚ melting point 112-115°C‚ yield 70.3%. Experimental: 2 grams of technical grade aniline and 15ml water were placed in a 125ml Erlenmeyer flask. Then‚ 2.5ml of acetic anhydride was added while swirling
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ADJIVON UNIT 1 INTRODUCTION Organic chemistry started as the chemistry of life‚ when that was thought to be different from the chemistry in the laboratory. Then it became the chemistry of carbon compounds‚ especially those found in coal. Now it is both. It is the chemistry of the compounds of carbon along with other elements such hydrogen as are found in living things and elsewhere. The organic compounds available to us today are those present in living things and those formed over millions
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Polypropylene consist of propylene as the monomer which has three carbons and one double bond between two of those carbon atoms. Polypropylene is manufactured from propylene gas in the presence of a catalyst. They are widely used for pipes‚ containers and packaging. Nonetheless‚ Polyethylene is a polymer made of ethylene. Ethylene has two carbon atoms bonded to each other with a double bond. Polyethylene is the basic component in making bottles‚ bags and fibres. Both polypropylene and polyethylene
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was added to Estilbene to form an anti product. This happened because no true carbocation was formed in reaction. Instead‚ there was an intermediate where one of the bromine atoms was partially bonded to both carbon atoms of the double bond. This prevented bond rotation around the carbon-carbon bond. The steric hindrance prevented the bromine from being added to the same side as the first bromine atom. Thus‚ the process of bromination was stereoselective and the product formed was chiral. ii. Comment
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Discovered in 1887‚ this is a carbon-carbon bond making reaction. The result of the Michael addition is a 1‚4 addition of a nucleophile to an alpha‚ beta-unsaturated carbonyl carbon compound. A 1‚4 addition is also commonly referred to as a conjugated addition. Another result of this reaction is a 1‚2 addition of a nucleophile. Some of the common attacking nucleophiles used in this reaction are enolates. Enolates‚ a negatively charged oxygen with an adjacent carbon-carbon double bond‚ will react with
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distinct from other branches‚ such as inorganic and physical chemistry. It can be described as the chemistry living processes (often referred to as biochemistry) but extends beyond that. It focuses almost entirely on the chemistry of covalently bonded carbon molecules and as well as life processes‚ it includes the chemistry of other types of compounds‚ including plastics‚ petrochemicals‚ drugs and paint. The early chemists didn’t think they would ever be able to make the sort of chemicals involved
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NANOTECHNOLOGY the Future of Architecture What is Nanotechnology? And how it serves in the improving progress of architecture? Nanotechnology is the engineering of functional systems at the molecular scale. This covers both current work and concepts that are more advanced. In its original sense‚ ’nanotechnology’ refers to the projected ability to construct items from the bottom up‚ using techniques and tools being developed today to make complete‚ high performance products. Nano technology
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Associate Program Material Levels of Life Worksheet Complete all three parts of this worksheet. Part I: Atomic Structure – Fill in the missing information on atomic structure and organic compounds. |Atomic Structure | |Subatomic Particle |Charge |Location in an Atom
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renewable and nonrenewable energy resources including cost‚ environmental effects‚ and availability. Lesson 08.05: Carbon Chemistry · Define and compare inorganic and organic chemistry. · Compare diamonds and graphite in terms of bonding and properties. · Describe the properties of the carbon atom that allow it to form such a wide variety of compounds. · Identify the basic steps in the carbon cycle. · Describe and identify the functional groups
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