April 18, 2017 - Sulfide (S²-) is the conjugate base of a weak acid (H2S) so it is a strong base. So it has a tendency to react with H3O+ to form H2S. So the equilibrium below shifts more to the right as the concentration of H3O+ increases: ... As this equilibrium shifts more to the right, more S²- is consumed so more copper(II) sulfide can be dissolved.

A generic term often used in petrology and mining to cover any individual or mixture of copper (and copper iron) sulphides.

Answer: A useful parameter that tells us whether a solid compound is soluble in water or not is the solubility product (Solubility equilibrium), Ksp. This is a dimensionless number that expresses how the solubility equilibrium of said compound works: the smaller the value, the less soluble the co...

September 10, 2013 - Copper sulfide belongs to a family of chemical compounds and minerals with the formula CuxSy. It can be classified into three groups, namely monosulfide, disulfide and mixed monosulfide.

October 20, 2005 - A recent technical note in this journal addressed copper extraction from gold bearing “copper(II) sulphide” concentrates (Ayata and Yildiran, 2005). It is unusual for CuS (covellite) to be considered as an entirely Cu(II) sulfide, but slightly more common for some of the Cu in the mineral to be regarded as Cu(II) and some as Cu(I) (e.g.

Copper(II) sulfide (Copper Blue) | Cu63 NMR, X ray photoelectron spectroscopy,2 copper sulfide CuS was studied in detail | Buy chemicals and reagents online from Sigma Aldrich

copper sulfide · copper(II) sulfide · cupric sulfide · cupric sulphide · The oxidation number of copper in copper sulphide is 2. Not available · Geometry of copper: Prototypical structure: Crystal structure of copper sulphide. The table shows element percentages for CuS (copper sulphide).

February 10, 2025 - This means that in the compound, the copper ion will be represented as Cu²⁺. Sulfide: This term refers to the sulfide ion, which typically carries a -2 charge, represented as S²⁻.

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. /Copper and related compounds/ ... SULFATE.|Prepared by melting an excess of sulfur with copper(I) sulfide or by precipitation with hydrogen sulfide from a solution of anhydrous copper(II) chloride in anhydrous ethanol...

August 12, 2025 - CuS, for example, can be written as Cu3(S2)S. Several nonstoichiometric compounds with Cu:S ratios between 1.0 and 1.4 also contain both monosulfide as well as disulfide ions. Depending on their composition, these copper sulfides are either semiconductors or metallic conductors.

copper sulfide · Copper(2+) sulfide [IUPAC name – generated by ACD/Name] Copper(II) sulfide [Wiki] Kupfer(2+)sulfid · [German] [IUPAC name – generated by ACD/Name] Sulfure de cuivre(2+) [French] [IUPAC name – generated by ACD/Name] Unverified · 11115-78-9 [RN] 53241-11-5 [RN] copper monosulfide ·

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Copper sulfide (CuS) | CuS | CID 165914 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.

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Copper(II) sulfide serves multiple industrial purposes owing to its unique properties. It naturally appears as the mineral covellite and exhibits a blue-black color. This compound is predominantly used in applications requiring resistance to water solubility but is vulnerable to decomposition ...

September 9, 2023 - Among various metal chalcogenides, metal oxides and phases of copper sulfide, copper(II) sulfide (covellite, CuS) nanostructures have enjoyed special attentiveness from researchers and scientists across the world owing to their complicated structure, peculiar composition and valency, attractive and panoramic morphologies, optical and electrical conductivity, less toxicity, and biocompatibility that can be exploited in advanced and technological applications.

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What is the empirical formula for copper sulfide? ... The correct name for CuO is (a) Copper oxide (b) Copper (I) oxide (c) Copper (II) oxide (d) Copper monoxide · Complete the following table. Name Positive Ion Negative Ion Formula Iron (III) chloride Fe3+ Cl- Iron (II) oxide Copper (I) sulfide Copper (II) nitride Zinc oxide Silver sulfide

Copper sulfide (CuxS), one of TMDs, has been widely used in solar cells (Mousavi-Kamazani et al., 2016), lithium-ion batteries (Han et al., 2011), optical catalysis (Adhikari et al., 2017), thermoelectric and photoelectric transformers (Chen et al., 2017), superconductors (Raveau and Sarkar, 2011), and sensors (Yu et al., 2009; Fu, 2013; Yang et al., 2016; Fan et al., 2016) due to unique optical, electrical and thermal properties.