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The lox wikipedia6/1/2023 ![]() ![]() Modern computer simulations indicate that, although there are no stable O 4 molecules in liquid oxygen, O 2 molecules do tend to associate in pairs with antiparallel spins, forming transient O 4 units. Lewis, who proposed it to explain why liquid oxygen defied Curie's law. The tetraoxygen molecule (O 4) was first predicted in 1924 by Gilbert N. Petrochemicals, including asphalt, often exhibit this behavior. ![]() Further, if soaked in liquid oxygen, some materials such as coal briquettes, carbon black, etc., can detonate unpredictably from sources of ignition such as flames, sparks or impact from light blows. Liquid oxygen is also a very powerful oxidizing agent: organic materials will burn rapidly and energetically in liquid oxygen. ![]() Liquid oxygen has an expansion ratio of 1:861 under 1 standard atmosphere (100 kPa) and 20 ☌ (68 ☏), and because of this, it is used in some commercial and military aircraft as a transportable source of breathing oxygen.īecause of its cryogenic nature, liquid oxygen can cause the materials it touches to become extremely brittle. Liquid oxygen has a pale blue color and is strongly paramagnetic: it can be suspended between the poles of a powerful horseshoe magnet.
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