classifying organic compounds by functional group worksheet

... functions (including cyclic organic compounds) ; making the system able to analyse results obtained by vibration spectrometers such as to infer the chemical functional group to which a compound ... theoretically possible chemical compounds, that is, they satisfy all the chemical constraints related to the organic compounds (such as bonds, kind of atoms which can appear in the compounds etc); • Incorrect ... chemical compounds. 2. T HEORETICAL B ACKGROUND 2.1. Principles of Organic Chemistry The organic chemistry is the branch of chemistry that studies the carbon based chemical compounds. ...

Ngày tải lên: 05/03/2014, 20:20

... or other inert inorganic support, whose surface is modified by chemically bonded octadecyl (C ) groups. The packing must have a narrow size distribution and 18 must not leach organic compounds into ... chemically bonded C organic phase (liquid-solid extraction, LSE). 18 The organic compounds are eluted from the LSE cartridge or disk with small quantities of ethyl acetate followed by methylene chloride, ... of organic solvent and very small quantities of pure analytes, thereby eliminating the potential hazards to both the analyst and the environment involved with the use of large volumes of organic...

Ngày tải lên: 22/03/2014, 14:20

Ngày tải lên: 05/09/2013, 16:11

... that group work did nor work well when the groups were not appropriately formed. For example, the group members did not like each other very much, that soon broke the group; the students in a group ... were not used by all of the four teachers. Teachers’ use of group work Group work was also used in two classes 11B2 and 11B3, but not effectively. The strong evidence was that some groups turned ... of the lesson. *In “ group work” stage Teacher’s group formation: The teacher asked three students who sat nearest to one another in a desk to be a group. This way of random grouping could save...

Ngày tải lên: 05/02/2014, 22:02

... the study area is divided into 4 groups of sub-areas consisting of 8 sub-areas (Fig. 2). 3.2. Spatial organization of land use and environmental protection by sub-areas Based on the results ... Spatial organization for rational land use and environmental protection in Uong Bi Town by functional sub-areas Truong Quang Hai* Institute of Vietnamese Studies and Development Sciences, ... tools for sustainable land use. Spatial organization of land use and environmental protection by functional sub-areas is performed on the basis of comprehensive and integrated research on characteristics...

Ngày tải lên: 13/02/2014, 12:20

... animals. Route of exposure People are exposed to 1,1,1-trichloroethane usually by breathing contaminated air or by drinking contaminated water and eating contaminated food. Health effects People ... Route of exposure People usually are exposed to tetrachloroethylene by breathing contaminated air, but they also can be exposed by drinking contaminated water and eating contaminated food. Health ... In surface water, ethylbenzene breaks down by reacting with other chemicals found naturally in water. In soil, most ethylbenzene is broken down by soil bacteria. Ethylbenzene is released into...

Ngày tải lên: 14/02/2014, 03:20

... of 35 to 40 percent of the influent DOC by biologi- cal oxidation. Biodegradable compounds may be removed by microbes, without prior ADSORPTION OF ORGANIC COMPOUNDS 13.27 ... of background organic matter as measured by carbon chloroform extract and COD. Pesticide-spiked, sand-filtered river water was applied to the exhausted activated ADSORPTION OF ORGANIC COMPOUNDS 13.43 FIGURE ... effluent TON goal. ADSORPTION OF ORGANIC COMPOUNDS 13.37 * Preloading means the adsorption of NOM or similar organic matter in the lower section of the adsor- ber, thereby reducing the adsorption capacity...

Ngày tải lên: 14/02/2014, 03:20

... atoms) IV. Naming Functional Group Compounds Derivatives are formed by replacing one or more of the hydrogens in a hydrocarbon by a FUNCTIONAL GROUP. The functional group is responsible ... summary of the functional group compounds, their structures and names is listed in tables on the next two pages. 1 NOMENCLATURE OF ORGANIC COMPOUNDS ©2010, 2003, 1980, by David A. Katz. ... Esters are usually named by naming the R’ group [from an alcohol] as an akyl group first followed by the acid name [the R-C group] with ending -oate. Esters are often called by their common names....

Ngày tải lên: 14/02/2014, 08:20

... contamination at the trace and ultra-trace levels in a range of organic sample matrices. Handling Organic Solvents Water-miscible organic solvents can simply be diluted with water or dilute ... as organic solvents, so sample digestion or desolvation may be required. When the ShieldTorch System is used, by contrast, the cool plasma technique is extremely efficient at removing Organic ... carbon-based spectral interferences from organic sample matrices using the Agilent cool plasma technique. Using the new ICP-MS methodology, virtually any organic material can be analyzed, either...

Ngày tải lên: 05/03/2014, 21:20

... acetone? CH 3 C O CH 3 Ace t one H 2 CCHCH 2 OH H 3 CCH 2 C O OH H 2 CCHC O H H 3 CCH 2 C O H 28 Functional Groups Functional Groups • Organic molecules are often organized by structures called functional groups, which are characteristic arrangement ... University www.angelo.edu/faculty/kboudrea CHEM 2353 Fundamentals of Organic Chemistry CHEM 2353 Fundamentals of Organic Chemistry Organic Compounds: Organic Compounds: Alkanes Alkanes Organic and Biochemistry for Today (4 th ed.) Spencer ... plant, are organic compounds. •Most fuels are organic compounds (wood, coal, natural gas, gasoline, kerosene, diesel fuel, oil, and other petroleum-based products). • Complex organic compounds...

Ngày tải lên: 14/03/2014, 19:20

... capture by both domestic and public wells. • • • Additional VOCs that may warrant inclusion in a  low-concentration, trends-monitoring program  (compounds listed by VOC group) Compound name VOC group Benzene ... volatile organic compounds in the nation’s ground water and drinking-water supply wells / by John S. Zogorski [et al.]. p. cm. (Circular 1292) Includes bibliographical references and index. 1. Organic ... VOCs within the organic synthesis group had the greatest propor- tion of compounds with no detections for both well types. In contrast, all of the VOCs in the THM and refrigerant groups were detected...

Ngày tải lên: 14/03/2014, 19:20

... TO DETERMINE REACTIVE ORGANIC COMPOUNDS IN AEROSOL COATING PRODUCTS This section specifies the procedure for determining the percent by weight of the reactive organic compounds contained in ... Prohibited Compounds If the sample is found to contain compounds prohibited by ARB regulations (i.e., ozone- depleting compounds) at concentrations equal to or exceeding 0.1 percent by weight, ... METHOD 310 DETERMINATION OF VOLATILE ORGANIC COMPOUNDS (VOC) IN CONSUMER PRODUCTS AND REACTIVE ORGANIC COMPOUNDS IN AEROSOL COATING PRODUCTS (Including Appendices...

Ngày tải lên: 14/03/2014, 20:20

... follows the scheme first proposed by Hill [44] and used later by R. Martin, et. al [43]. The ionizing group of interest is indicated in the microscopic pk by the last number in the subscript. ... constant of the amine group due to resonance contributions. As a result, the amine and the carboxylic acid have comparable hydrogen ion affinities and both functional groups make important ... associated with its ionization, one when the other group is ionized and one when the other group is not ionized. When the pK a 's of the ionizing groups are arithmetically far apart (as those...

Ngày tải lên: 22/03/2014, 14:20

... emitters and controlling their emissions in the Houston area. Introduction Volatile organic compounds (VOC) are organic chemicals that easily vaporize at room temperature. Many VOCs have been found ... point- by- point least-squaresminimization scheme (12). It has been reported (13) that the source profiles produced by PMF are better andmore reasonable at describing thesource structure than those by ... very weak weekend effect for this source. Source 3 is characterized by c7-ketone. There are some possible emitters (synthetic organic manufacturing plants) to the southeast of the sampling site...

Ngày tải lên: 22/03/2014, 14:20

... fraction were analyzed by MS ⁄ MS, and one by N-terminal sequencing (Table S2; peptides listed in Table S1). All spots were found to be contaminated by Cys proteases and most by Met synthase. Identification ... plant tissue [21]. The lipase from Euphorbia latex has been studied by a few groups [22–25]. It was found to be soluble in organic solvents, and a solvent-based procedure has been used to purify ... detected. Discussion The lipase is extracted by organic solvents Lipases are usually stable enzymes that can withstand the denaturing effect of several organic solvents. This property enables them...

Ngày tải lên: 22/03/2014, 17:20

... using four distinct group I ribozymes, the Didymium group IE ribozyme (named DiGIR2), two Fuligo group IC1 ribozymes (named Fse.L569 and Fse.L1898), and the prototype Tetrahymena group IC1 ribozyme ... by a Didymium myxomycete group IE ribozyme deficient in hydrolysis [10]. Both the specificity and the efficiency of trans-splicing were improved by extending the IGS and by the removal of unwanted ... [14,16–18] represents the group IE ribozymes, the two F. septica ribozymes, Fse.L569 and Fse.L1898, represent group IC1 ribozymes [15]. Finally, the prototype T. thermophila group IC1 ribo- zyme,...

Ngày tải lên: 23/03/2014, 11:20

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Ngày tải lên: 28/03/2014, 19:20

Ngày tải lên: 28/03/2014, 20:20