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Liquid oxygen has a clear cyan color and is strongly paramagnetic: it can be suspended between the poles of a powerful horseshoe magnet. [2] Liquid oxygen has a density of 1.141 kg/L (1.141 g/ml), slightly denser than liquid water, and is cryogenic with a freezing point of 54.36 K (−218.79 °C; −361.82 °F) and a boiling point of 90.19 K (−182.96 °C; −297.33 °F) at 1 bar (14.5 psi).
One of the best ways to restore the stained interior of a Dutch oven is to fill the pot with hot water and the correct dose of oxygen bleach as recommended by the manufacturer. Allow the solution ...
The term 'napkin' dates from the 14th century, in the sense of a piece of cloth or paper used at mealtimes to wipe the lips or fingers and to protect clothing. [1] The word derives from the Late Middle English nappekin, from Old French nappe (tablecloth, from Latin mappa), with the suffix -kin.
One way to compare disinfectants is to compare how well they do against a known disinfectant and rate them accordingly. Phenol is the standard, and the corresponding rating system is called the "Phenol coefficient". The disinfectant to be tested is compared with phenol on a standard microbe (usually Salmonella typhi or Staphylococcus aureus ...
It is an extremely strong oxidant and decomposes into oxygen and fluorine even at −160 °C (113 K) at a rate of 4% per day — its lifetime at room temperature is thus extremely short. [1] Dioxygen difluoride reacts vigorously with nearly every chemical it encounters (including ordinary ice ) leading to its onomatopoeic nickname FOOF (a play ...
Liquefied gas (sometimes referred to as liquid gas) is a gas that has been turned into a liquid by cooling or compressing it. Examples of liquefied gases include liquid air , liquefied natural gas , and liquefied petroleum gas .