Asked by: Aithamy Jernovoy
science chemistry

What happens when you mix copper and sulfur?

Last Updated: 22nd March, 2020

When heated together, copper and sulfur combineto form a sulfide of copper. The excess sulfurvaporizes to form gaseous sulfur, which escapes from thecrucible. When the hot sulfur gas reaches the air, it reactswith oxygen to produce gaseous oxides of sulfur (mainlysulfur dioxide, SO2).

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Considering this, does sulfur react with copper?

The copper wire reacts readily with thehot sulfur gas (S8, S4 andS2), forming a dark grey, brittle crystalline solid ofcopper sulfide.

Beside above, what happens to sulfur when heated? On heating the reaction mixture, thesulfur melts and reacts with the iron exothermically to formiron(II) sulfide. The mineral wool plug in the mouth of thetest-tube prevents sulfur vapour escaping and possiblycatching fire.

Also to know, why Sulphur is called enemy of copper?

Sulphur is known to destroy the metallicproperties of copper. Sulphur attacks copperto form black spot of Copper Sulphide and hence is knownas 'enemy of copper'. In the presence of sulphur,copper reacts with it to return to its original state ofcopper sulphate which is the natural form ofcopper.

Is copper sulfide toxic?

Copper Compounds: In general the soluble ionizedsalts of copper are much more toxic than theinsoluble or slightly dissociated compounds. Sulfides:Sulfides of the heavy metals are generally insoluble andhence have little toxic action except through the liberationof hydrogen sulfide.

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What is the use of copper sulfate?

Copper sulfate pentahydrate is used as afungicide. However, some fungi are capable of adapting to elevatedlevels of copper ions. Bordeaux mixture, a suspension ofcopper(II) sulfate (CuSO4) and calciumhydroxide (Ca(OH)2), is used to control fungus ongrapes, melons, and other berries.

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What are the properties of copper sulfide?

Copper Sulfide Properties (Theoretical)
Compound Formula CuS
Molecular Weight 95.61
Appearance black powder or lumps
Melting Point 500 °C (932 °F)
Boiling Point N/A

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What is the correct formula for copper I sulfide?


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How is copper sulfide formed?

Copper monosulfide is a chemical compound ofcopper and sulfur. It occurs in nature as the dark indigoblue mineral covellite. A black colloidal precipitate of CuS isformed when hydrogen sulfide, H2S, isbubbled through solutions of Cu(II) salts.

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What are the properties of sulfur?

Taste : Tasteless. Solubility : Insoluble in water. Boilingpoint : The boiling point of sulfur is 444.6°C.

The Chemical Properties of Sulfur are as follows:
  • Chemical Formula : S.
  • Compounds : Familiar compounds are Sodium sulfite, hydrogensulfide (a poisonous gas that smells like rotten eggs) and sulfuricacid.

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Is copper sulfide flammable?

Reacts with water, steam or acids to produce toxic andflammable vapors of hydrogen sulfide. Effects ofOverexposure: Toxic by ingestion via the liberation of hydrogensulfide, symptoms include vomiting, gastric pain anddizziness.

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Is sulfur a metal?

ABout Sulphur:- Sulfur is characterized as anon-metal because it is consistent with the 3 physicalproperties listed for nonmetals. It is a poor conductor of heat andelectricity because the electrons are not free to move.Sulfur has a low density because it has less volume for itselectron cloud.

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Is copper sulfide a compound?

Copper(I) sulfide is a coppersulfide, a chemical compound of copper andsulfur. It has the chemical compound Cu2S. It isfound in nature as the mineral chalcocite. It has a narrow range ofstoichiometry ranging from Cu1.997S toCu2.000S.

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What does sulfur react with?

Sulfur (S), also spelled sulphur,nonmetallic chemical element belonging to the oxygen group (Group16 [VIa] of the periodic table), one of the most reactive of theelements. It reacts with all metals except gold andplatinum, forming sulfides; it also forms compounds with severalnonmetallic elements.

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What is sulfur used for?

Sulfur is used in the vulcanisation ofblack rubber, as a fungicide and in black gunpowder. Mostsulfur is, however, used in the production ofsulfuric acid, which is perhaps the most important chemicalmanufactured by western civilisations.

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What is burning sulfur?

Chemical properties
Sulfur burns with a blue flame with formation ofsulfur dioxide, which has a suffocating and irritating odor.Sulfur is insoluble in water but soluble in carbon disulfideand, to a lesser extent, in other nonpolar organic solvents, suchas benzene and toluene.

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How do you get sulfur?

Sulfur is recovered commercially from undergrounddeposits using the Frasch Process – superheated water andsteam are pumped underground, where they melt the sulfur,allowing it to be pumped to the surface. Sulfur is alsoobtained commercially as a by-product of refining crudeoil.

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Do eggs contain Sulphur?

Nutritive value of egg white and eggyolk
The white contains more than half the egg'stotal protein, niacin, riboflavin, chlorine, magnesium, potassium,sodium, and sulfur and all the egg'szinc.

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Who discovered sulfur?

History and Uses:
Sulfur, the tenth most abundant element in theuniverse, has been known since ancient times. Sometime around 1777,Antoine Lavoisier convinced the rest of the scientific communitythat sulfur was an element. Sulfur is a component ofmany common minerals, such as galena (PbS), gypsum(CaSO.

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What does brimstone smell like?

You may be familiar with “fire andbrimstone” — brimstone being burningsulfur. Not only are you subject to eternal damnation ininextinguishable flames, but it also smells like rotteneggs. When sulfur burns it produces sulfur dioxide (SO2), whichturns into sulfurous acid (H2SO3) when it comes in contact withwater.

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How do you make Sulphur dioxide?

It is produced from the burning of fossil fuels (coaland oil) and the smelting of mineral ores (aluminum, copper, zinc,lead, and iron) that contain sulfur. Sulfur dioxidedissolves easily in water to form sulfuric acid.

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Why does sulfur smell bad?

Pure sulfur has no smell. The stinkassociated with the element comes from many of its compounds,according to Chemicool. For example, sulfur compounds calledmercaptans give skunks their defensive odor. Rotteneggs and stink bombs get their distinctive aroma because ofhydrogen sulfide.

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Does sulfur combust?

Burning Sulfur — Fire and Brimstone. Thesulfur then flares up into a much brighter blue flame, andeventually begins to throw off fumes of sulfur dioxide andtrioxide.

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What happens when Sulphur powder is burned?

A sample of yellow powdered sulfur in adeflagrating spoon is ignited until it burns spontaneouslyin air with a light blue flame. The burning sulfur is theninserted into the flask. The sulfur reacts with oxygen inthe flask to form sulfur dioxide gas, which then dissolvesin the water, forming sulfurous acid.