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Anonymous users2024-02-11Calcium carbide is made of quicklime.
and coke are heated in an electric furnace to 2300 to generate, the scientific name is calcium carbide.
Because it is made in an electric furnace, it has received a not very scientific name - calcium carbide.
Calcium carbide, whose chemical name is calcium carbide, is an inorganic compound.
White crystals, industrial products are gray-black blocks, and the cross-section is purple or gray. Immediately and violently reacts violently with water, forming acetylene and releasing heat. Calcium carbide is an important basic chemical raw material, mainly used to produce acetylene gas.
It is also used in organic synthesis, oxyyne welding, etc.
Synonyms : calcium carbide; calcium acetylide; quartz crystal; calcium ethynediide; ethyne, calcium salt (1:1)
Electronic: ca2+[:c c:]2- The " " in the middle represents three pairs of shared electrons.
inchiļ¼ inchi=1/c2. ca/c1-2;/q-2;+2
Physical and chemical properties: The ore is a yellow-brown or black massive solid, and the pure product is white crystal (purple with high CAC2 content). The density is cubic centimeters, the melting point is 2300 (related to the content of CAC2), and the violent reaction immediately occurs when it encounters water, forming acetylene, and emitting heat, and the melting point of calcium carbide content also changes.
Impurities: Because calcium carbide often contains impurities such as calcium arsenide (Ca3 As2) and calcium phosphide (Ca3 P2), hydrogen arsenide is released at the same time when it reacts with water.
ash3), phosphine.
pH3) and other toxic gases, so the use of acetylene produced by calcium carbide is toxic.
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Anonymous users2024-02-10Calcium carbide generally refers to calcium carbide, which is an important basic chemical raw material, mainly used to produce acetylene gas. It is also used in organic synthesis, oxyyne welding, etc. Calcium carbide is called calcium carbide because it can conduct electricity, the higher the purity, the easier it is to conduct electricity, so it is called calcium carbide.
The chemical properties of calcium carbide are very reactive. Acetylene gas and calcium hydroxide are produced by intense decomposition in water, and a large amount of heat is released. It reacts with nitrogen to form calcium cyanamide.
Calcium carbide is one of the basic raw materials for the organic synthetic chemical industry. It is an important raw material for acetylene chemical industry. Acetylene made from calcium carbide is widely used in metal welding and cutting.
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Anonymous users2024-02-09The scientific name of calcium carbide is calcium carbide, and the main component is also calcium carbide, which is an inorganic compound, which is very easy to undergo a finch reaction when exposed to water, forming acetylene and releasing heat.
The reason why calcium carbide is called calcium carbide is because calcium carbide is a white crystal, and the industrial product is gray-black block, and the section is purple or gray, similar to stone, but calcium carbide has the characteristics of conductivity, and the higher the purity, the better the conductivity, so it is called calcium carbide.
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Anonymous users2024-02-081. Calcium carbide. The chemical name is calcium carbide and the molecular formula is CAC2. It is also known as acetylene calcium and gashi.
Calcium carbide is an important basic chemical raw material, mainly used to produce acetylene gas. It is also used for organic synthesis excitation, oxyyne welding, etc.
2. The reason why it is called calcium carbide.
Because calcium carbide can conduct electricity, the higher the purity, the easier it is to conduct electricity. Therefore, it is called calcium carbide.
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Anonymous users2024-02-07Calcium carbide is an inorganic compound that is the main component of calcium carbide. White crystals, industrial products are gray-black blocks, and the cross-section is purple or gray.
The ore is a yellow-brown or black lump and acorn-like solid, and the pure product is white crystals (with a higher CAC2 content is purple). The density is cubic centimeters, the melting point is 2300 (related to the content of CAC2), and the water immediately reacts violently to generate acetylene and release heat, and the melting point of calcium carbide content also changes.
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Anonymous users2024-02-06Calcium carbide generally refers to calcium carbide, the main component of calcium carbide, is an inorganic compound, white crystals, industrial products are gray-black blocks, and the section is purple or gray. Immediately and violently reacts violently when exposed to water, generating acetylene and releasing heat. Calcium carbide is an important basic chemical raw material, mainly used to produce acetylene gas.
It is also used in organic synthesis, oxyyne welding, etc.
The chemical name of calcium carbide is calcium carbide and the molecular formula is CAC2, which is the basic raw material for the organic synthetic chemical industry. Because calcium carbide can conduct electricity, the higher the purity, the easier it is to conduct electricity, so it is called calcium carbide.
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