Decomposition reaction - Page 4

Reaction in which a compound breaks down into two or more simpler substances. - Updated 2023


Many decomposition reactions involve heat , light, or electricity to input energy.

Binary compounds are compounds which consist of only two elements. The simplest sort of reaction to decomposition is when a binary compound breaks down into its elements. Mercury (II) oxide, a red solid, decomposes to form mercury and oxygen gas when heated.

Also, a reaction is regarded as a decomposition reaction even if one or more of the products are still a compound. A metal carbonate breaks down to form a metal oxide and carbon dioxide gas. Calcium carbonate for example decomposes into calcium oxide and carbon dioxide.

Phương trình số #2

C6H12O62C2H5OH + 2CO2

Nhiệt độ: 30 - 35°C Xúc tác: men zima

Xem trạng thái chất và chi tiết của phương trình C6H12O6 => C2H5OH + CO2  

Phương trình số #3

CaCO3CaO + CO2

Nhiệt độ: 900°C

Xem trạng thái chất và chi tiết của phương trình CaCO3 => CaO + CO2  


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