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1. Chemical formula of liquid oxygen
The chemical formula of liquid oxygen is O ₂. The specific explanation is as follows: The chemical formula of liquid oxygen is essentially the form of oxygen after low-temperature liquefaction. Its molecular composition is exactly the same as that of gaseous oxygen, both of which are formed by the covalent double bond of two oxygen atoms to form a diatomic molecule. Therefore, the chemical formula is O ₂. The chemical formula, as a symbol representing the composition of pure substances, does not change due to changes in the state of matter (gas, liquid, solid). The molecular formula (representing molecular composition) of the related term and abbreviation liquid oxygen is also O ₂, belonging to the category of molecular crystals. In the industrial field, the abbreviation LOX (Liquid Oxygen) or LO ₂ is commonly used to simplify technical documentation and equipment identification. Physical and chemical properties: Liquid oxygen appears light blue and has strong paramagnetism (can be attracted by a magnetic field). Its low-temperature characteristics (-183 ℃) can make the contact material brittle. Chemical properties: Liquid oxygen is an extremely strong oxidant, and organic matter will burn violently in it; Long term immersion of certain substances (such as asphalt) in liquid oxygen may cause explosions. The total expansion ratio of liquid oxygen is as high as 860:1 (rapid volume expansion when liquid to gas), which makes it widely used in industrial and military fields. Industrial preparation and application preparation method: obtained by fractional distillation of liquid air, and separated by utilizing the difference in boiling points of each component in the air. Main ap
2. Is gas, liquid, solid a countable noun or an uncountable noun?
They belong to uncountable nouns, but they also have plural forms.. Representing different types of gases, liquids, and solids. For example, There are three gases,oxygen,carbon dioxide and nitrogen.
3.Materials Studio Official Tutorial: Cantera Module - Research on Surface Reactions 【 4 】 _ Baidu Knowledge ..
Materials Studio official tutorial: Cantera module - Research surface reactions
[4] mainly introduces the steps of setting Cantera flow reactor calculation parameters, running calculations, analyzing results, and viewing Python code. The specific steps are as follows: set Cantera flow reactor calculation parameters to restore default sett