was that epidemic diseases were spread by touch‚ whereas the miasmas theory was it resulted from air carried gases from rotten vegetation or dead animals. But neither theory worked. Crawford Long and William T. G. Morton – Long employed sulfuric ether during a surgical operation. Long failed to follow up on his discovery‚ but four years later‚ Morton‚ a dentist‚
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the ester portion of our starting reagent. The effect of reducing the ketone via hydride addition is that product is entirely a racemic mixture (McMurry 696). After the initial reaction the product was isolated using a series of vacuum filtrations‚ ether extractions‚ and rotorary evaporations‚ before being analyzed via proton NMR spectroscopy. Results and Discussion: The table listed below as Table 1 lists the starting amounts of each of the chemicals present in the reaction flask‚ along with their
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RESULTS: Solution | pH Value | Aniline | 7 | Benzyl aniline | 12 | Diethylamine | 10 | Table 1: Basicity of Amines Solution | Odor of Solution | Aniline added with chloroform and alcoholic KOH | Unpleasant smell | Table 2: Carbylamine Test (odor of solution) Solution | Observations | Aniline added with concentrated H2SO4 | -Salt formation upon addition of sulfuric acid- Gelatinous‚ pale yellow solution | Table 3: Salt Formation Solution: | Residue Formation: | pH level:
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Hypothesis. If pigment from euonymus alatus (burning bush) leaves is extracted‚ then carotenes and xanthophylls will appear when a solvent‚ made of 9 parts petroleum ether and 1 part acetone‚ goes up Whatman #1 filter paper Purpose. The purpose of this experiment was to demonstrate the presence of carotenes‚ xanthophylls‚ and chlorophylls in leaves. Methods and Materials. A piece of Whatman #1 filter paper was cut to fit into an ignition tube. One end was cut to form a V‚ and the sides of
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an experiment if anything else. The basic function of the early refrigeration used ammonia and ether too very dangerous substances in a recycling method of condensing and compressing heat in the air into liquid form. Although Perkins refrigerator completed the task of keeping foods cool there was some much needed modification. Like many other inventions the refrigerator began to evolve more‚ because ether and ammonia are dangerous Carl von
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Compiled SCH4U Course Review Unit 1: Atomic Structure and Bonding Section 3.3 Electron Configurations and Periodic Trends (pg. 139-157) Feb. 11 For single electron system all orbitals with the same value of have the same energy Atoms with more than 1 electron with the same value of n have different energies (sublevels) Because of interactions between additional electrons All orbitals within a sublevel have the same energy The Fourth Quantum Number: A property of the electron (spin quantum
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http://www.rollybrook.com/carnitas-3.htm Compositional and Sensory Evaluation of Jamaican Cherry (Muntingia calabura) Leaf Tea Substitute A Thesis Presented to the Department of Food Technology College of Education University of Santo Tomas In Partial Fulfillment of the Requirements for the Degree of Bachelor of Science in Food Technology Janerica C. Camacho Gracia Remedios Veronica V. Em Amy M. Tolentino Kristine U. Villaruel Dyann Aissa B. Yu March 2011 CERTIFICATE OF APPROVAL
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How to resolve Conflict Conflicts may be solved using three simplified ways: 1. The win-lose method - The protagonist assumes an ether I lose or I win attitude. Explanation: the win-lose method is a kind of method in resolving a problem or case wherein‚ one party will have the possibility of winning the case or they will lose on the case. 2. The win some–lose some method - One party attempts to get the most of the other using the primary tactical work of bargaining. -
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speeds are needed to the size of the area to be covered you could also use a AP that can combine two or more of the 802.11 types. The third step is to decide upon an access point manager in which you find the access point to manage your network by ether intelligent (fat access point) this has everything you need to handle wireless clients. Then there is a thin access point‚ which pretty much a radio and antenna that is controlled by a switch and will save you time and money. Last and forth most is
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7.10.2 Anti-implantation activity of isolated fraction of ethanolic extract Jatropha gossypifolia leaves Female rats of proestrus phase were kept with male rats of proven fertility in the ratio of 2:1. The female rats were examined in the following morning for evidence of copulation. The animals were which showed thick clumps of spermatozoa in vaginal smear were separated from the male partner. Only the rats with normal estrous cycles were selected for the experiment. The animals divided into three
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