Chemical element of hydrogen
Properties, combustion, electron energy levels. Elemental molecular forms. Covalent, organic compounds. Hydrides, protons, acids, isotopes. Discovery and use. Role in quantum theory. Natural occurrence, production: laboratory, industrial, thermochemical.
Подобные документы
Application of the SwissADME web tool for the analysis of pharmacokinetics and properties of medicines. Study of antimicrobial activity and toxicity of phenylquinazoline derivatives, Assessment of metabolism, determination of solubility of compounds.
статья, добавлен 03.09.2024Obtaining an idea of the averaged molecular field characterizing the interaction of the sorbent molecule with the surface of the sorbent. Making an attempt to calculate the interaction energy in the case of sorption of non-polar adsorbent molecules.
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статья, добавлен 30.07.2016The use of ethylene oxide (EO) as a chemical intermediate. A suggested process flow diagram Ethylene Oxide Process. Process Details: feed, effluent, recycle streams, deliverables and grading. Economic analysis the equivalent annual operating cost.
статья, добавлен 26.11.2014Development of technological scheme for processing of oil extracted in Iraq. Characteristics and physico-chemical properties of the oils of Iraq. A description of the stages of oil refining. Calculations of material balances of each processing stage.
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статья, добавлен 23.02.2016 The influence of low-molecular additives on the composition of polyvinylpyrrolidone with hydroxyethyl compositions. Adhesion based on the angle of wetting compositions. The effect of different additives on the adhesive strength of the adhesive joint.
статья, добавлен 21.12.2016The study of the synthesis and physicochemical properties of derivatives of 4-phenyl-5-(1,2,3-benzotriazolyl 1)-3-merkapto-1,2,4-triazole(4H). Due to computer prognosis data the substances synthesized are prospective anticonvulsants and antiasthmatics.
статья, добавлен 05.03.2014Natural zeolite clinoptoline and its nanomodified forms have been used for modification of structures of the composite building materials. Characteristics of this zeolite have been studied by thermal analysis, IR spectroscopy, and adsorption methods.
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статья, добавлен 24.02.2025The cycle of sanitary and chemical investigations of various artificial leathers and the polymer composition. The possibility of conducting direct stabilization of artificial leathers. The hygienic evaluation of polymers and polymer-containing materials.
статья, добавлен 29.01.2016Brief biographical information about the life of F. Haber - a German chemist and Nobel laureate. Investigation the reaction of nitrogen with hydrogen, which produces ammonia. The essence of Le Chatelier's Principle. The main function of the catalyst.
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The chemical bonds formed by the interaction of electrons. Compound atoms in the molecule. Filled valence shell. The orbital space around the nucleus. The relationship between hydrogen atoms. Interaction of alkali or alkaline earth metals with halogens.
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статья, добавлен 02.04.2014A sample of Mg10Ir19B16, prepared from the elements by high-temperature treatment in sealed Ta containers. The chemical composition, confirmed by WDXS analysis. Electronic structure calculations and chemical bonding analysis by the ELI/ED approach.
статья, добавлен 23.02.2017Reviews on "Heterocyclic Compounds" on aspects such as synthesis, reactionmechanisms, structure complexity, properties, reactivity, stability, fundamental and theoretical studies, biology, biomedical, pharmacology, applications in material sciences.
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статья, добавлен 05.03.2014Study of kinetics of alkaline hydrolysis reaction of methyl esters of substituted 4,5-dimethoxy-N-phenyl-Anthranilic acids in binary solvent dioxane – water, analysis of the dependence lgkT from the nature and position of substituents in pantranco.
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