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Silver bromide (slightly yellowish white) and silver iodide (bright yellow) are also significantly more photosensitive than is AgCl. [1] [4]: 46 AgCl quickly darkens on exposure to light by disintegrating into elemental chlorine and metallic silver. This reaction is used in photography and film and is the following: [5]
AgCl does not form by direct combination of Ag + and Cl −, rather through the transformation of soluble species AgCl n + 1 –n (0 ≤ n ≤ 3) first formed from the combination of the Ag + and Cl − into the solid AgCl phase. [1] This reaction is a reversible reaction and is characterized by fast electrode kinetics, meaning that a ...
In electrochemistry, cell notation or cell representation is a shorthand method of expressing a reaction in an electrochemical cell.. In cell notation, the two half-cells are described by writing the formula of each individual chemical species involved in the redox reaction across the cell, with all other common ions and inert substances being ignored.
Ag 2 O features linear, two-coordinate Ag centers linked by tetrahedral oxides. It is isostructural with Cu 2 O.It "dissolves" in solvents that degrade it. It is slightly soluble in water due to the formation of the ion Ag(OH) − 2 and possibly related hydrolysis products. [13]
A silver halide (or silver salt) is one of the chemical compounds that can form between the element silver (Ag) and one of the halogens.In particular, bromine (Br), chlorine (Cl), iodine (I) and fluorine (F) may each combine with silver to produce silver bromide (AgBr), silver chloride (AgCl), silver iodide (AgI), and four forms of silver fluoride, respectively.
When silver nitrate (AgNO 3) is added to a solution of potassium chloride (KCl) the precipitation of a white solid (AgCl) is observed. [5] [6] AgNO 3 + KCl → AgCl↓ + KNO 3. The ionic equation allows to write this reaction by detailing the dissociated ions present in aqueous solution. Ag + + NO − 3 + K + + Cl − → AgCl↓ + K + + NO − 3
The standard Gibbs free energy of formation (G f °) of a compound is the change of Gibbs free energy that accompanies the formation of 1 mole of a substance in its standard state from its constituent elements in their standard states (the most stable form of the element at 1 bar of pressure and the specified temperature, usually 298.15 K or 25 °C).
A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and chemical formulas.The reactant entities are given on the left-hand side and the product entities are on the right-hand side with a plus sign between the entities in both the reactants and the products, and an arrow that points towards the products to show the direction of the reaction. [1]