a酸的一般性质:“酸味”,如柠檬汁里的柠檬酸;同水反应生成水合氢离子;同金属反应放出氢气;同碳酸化合物反应放出二氧化碳气体;同碱生成盐;使蓝色石蕊变红色;使通用指示剂变红色 Sour general nature: “Sour odor”, like in lemon juice citric acid; With water response production oxonium ion; With the ...
Following is an abbreviated scheme adapted for mineralogy. 1. The oxidation number of a free element is always 0. 2. The oxidation number of hydrogen is usually +1. 3. The oxidation number of oxygen in minerals is usually −2. 4. The oxidation number of a Group IA (alkali) element ...
are not thermodynamic functions, and may not be added, but the potential may be calculated from the free energy G, using the equation △G=-nfE0where n is the number of electrons involved and F the Faraday. The reduction potential diagram for copper in acid solution is oxidation state The ...
It is usually prepared by the reaction of Li2CO3 or LiOH with hydrochloric acid. Anhydrous LiCl produced by some reagent plants is often a block obtained by thermal filtration when evaporating LiCl aqueous solution to 100-110 ℃, and its water content is 3% - 5%. The reaction equation is[3...
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Chemical Kinetics and Dynamics- An introduction to rates of reaction, rate laws, half-life, activation energy, the Arrhenius equation, and reaction mechanisms. (Chem1 Virtual Textbook) Chung Chieh's {Chemical Kinetics tutorial} at U of Waterloo (Canada) includes test questions with answers.(≤ ...
3. Polyurea protection layer has the resistance of friction, extrusion, oil, sea water and acid& alkali 4. Reliable performance, convenient installation, aesthetic functionalism, no risk of explosion and high safety 5. Better energy absrption performance and lower ...
The xenyl arloxy-alkyl ethers of this invention are prepared by reacting an aryloxy-alkyl halide with a metal phenolate (or a mixture of a phenol and a metal hydroxide) in accordance with the equation: n'R-O-CH(R") CnH2n-Z+- (R'-O-) nM-r 10 n'R-O-CH(R") CnH2n-O-R'...
Liu et al. obtained the exact analytical solution of the non-linear Poission-Boltzmann equation for 251 and 151 mixed electrolyte solutions39. From the analytical solution of Q(x), we can get the following simXple relationships under relatively high surface potential conditions ( jZiQ0jw0:1V)...
as represented by the following equation: Mn(L1)2 + Mn(L2)2 ⇋ 2Mn(L1)(L2) the above mechanism is feasible when bidentate ligands are associated with Type (A) and Type (B) manganese chelates, however, is not feasible when multidentate, e.g. tetradentate, ligands are associated with ...