Chemical Education
World Journal of Chemical Education
... Abstract The rapid advance in information technology requires further developments in all areas of education. In this context, one should think about going beyond the use of digital media for the mere presentation ...
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World Journal of Chemical Education
... Step 9. SEM furnished with an energy dispersion spectrometer (EDX, Oxford Instruments), which determined the chemical composition and confirmed the essential elements and their surface mapping. These results were ...
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Tetrahedral Nature Determines the Stability of Reactive Intermediates: A Chemical Education Perspective
... Using the pKa values of anilinium ions, benzyl ammonium ions and 2-phenylethyl ammonium ions the Hammett r values were first estimated for the three equilibriums from the plot of lo[r] ...
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Cooxidation not to be Confused with Catalysis: A Chemical Education Article to Physical-Organic Chemists
... Catalysis is the process that increases the rate of a chemical reaction due to the participation of a third substance called a catalyst. The catalyst is not consumed in the course of the catalyzed reaction and can ...
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Computers in chemical education : a study involving symmetry and crystallography
... incorporating dual purpose demonstration and auto-elaborative programs with drill and practice revision lessons, were written for the topics of basic symmetry operations and space groups[r] ...
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Evaluation of Immersive Technology for Chemical Education
... The chemical color reactions may give useful hints about the chemical groups in a molecule. The color formation is influenced by a number of factors, such as the reaction time, pH, salt form, concentrations ...
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World Journal of Chemical Education
... The number of combinations possible is calculated by taking the factorial of the total number of atoms of that element in the compound and divide it by the (factorial of the number of[r] ...
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The use of microcomputers in chemical education
... Apart from the MASTER language interpreter, development of MASTER lessons in the teaching package was based upon two utility programs: ANALYSE, to check the syntax of lessons, and TEACHE[r] ...
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World Journal of Chemical Education
... During the first three zodiac signs we cannot see much progress in northern hemisphere nature. Just like in the citric acid cycle, there is not much energetical difference between citrate and D-isocitrate. It looks like ...
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World Journal of Chemical Education
... A very large number of participants enrolled: 240 participants in 10 courses from 1980 till 1984, the largest in the field of activity of the department of chemistry education of Utrecht University, and one of the ...
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Chemical Screening Visualization Tool: Resource for Rapid Chemical Assessment
... The Metanomics Information System (METIS) is a proprietary database that has been developed to manage and quickly access information from nearly 1300 public databases and resources from a single point of entry. METIS is ...
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Chemical risk assessment in a chemical laboratory based on three different techniques
... define the potential adversaries: (the tool does consider those persons with authorized access to chemicals and those individuals who do not have authorized access to the chemicals), 3. calculate the chemical ...
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ChemDIS: a chemical–disease inference system based on chemical–protein interactions
... The chemical–gene–disease associations could be inferred by combining chemical–gene interac- tions with gene–diseases ...high-confidence chemical–gene interactions is a useful resource for studying ...
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Chapter 5 Principles of Chemical Reactivity: Energy and Chemical Reactions
... Water has a specific heat capacity of about 4.2 J/g•K, meaning that 1 gram of water at 15 degrees C, to which 4.2 J of energy is added, will have a temperature of 16 degrees C.. (or 14 d[r] ...
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Chemical mutagenesis
... Originally the term radiomimetic was used in the sense that the chemical was able to simUlate all the end effects of exposure to ionizing radiations" However, the term ha,s more recently[r] ...
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PHYTO-CHEMICAL AND PHYSICO-CHEMICAL STUDIES OF CURCUMA LONGA RHIZOME
... Physico chemical parameters such as, total ash, acid insoluble ash, water soluble ash, water soluble extractive and alcohol soluble extractive value were ...
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Physical and Chemical
... Form a bridge between the very reactive metals on the left side and the less reactive metals and other elements on the right side. All are good conductors of electricity.[r] ...
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CHEMICAL COMMUNICATION
... The term “pheromone” is used to describe chemical messages that pass between animals of the same species. Pheromones play an important role in the behavior of a wide variety of organisms, from bacteria to ...
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From chemical documentation to chemoinformatics: fifty years of chemical information science
... the chemical literature move from the starting materials to the final products, even though a synthetic chemist will normally design the synthesis by starting with the final product and then working backwards ...
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Chemical Engineering and Science
... describe a large family of several hundred of chemical compounds that originally come from crude oil as each chemical in any environmental matrix (soil or water) is measured [9]. Fingerprinting of petroleum ...
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