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https://www.answers.com/Q/What_is_the_percentage_of_oxygen_required_to_support_combustion
Aug 23, 2014 · Fire fighting school in the 1970s taught us 15% oxygen level si necessary to support combustion. In a natural situation, no. Current levels of CO2 are 0.038% Levels of over 15% would be needed to even slow the burn down.
https://en.wikipedia.org/wiki/Limiting_oxygen_concentration
For instance, to safely fill a new container or a pressure vessel with flammable gasses, the atmosphere of normal air (containing 20.9 volume percent of oxygen) in the vessel would first be flushed (purged) with nitrogen or another non-flammable inert gas, thereby reducing the oxygen concentration inside the container. When the oxygen concentration is below the LOC, flammable gas can then be safely …
https://education.seattlepi.com/chemical-composition-normal-air-vs-pure-oxygen-4306.html
Although it is not combustible by itself, oxygen supports combustion and pure oxygen presents an explosion hazard. Air and Pure Oxygen Air is made up of 78 percent nitrogen, 21 percent oxygen, 4 percent water vapor and 1 percent argon.
https://www.answers.com/Q/What_is_the_percent_of_atmospheric_oxygen_needed_to_support_combustion_Can_levels_of_CO2_ever_get_high_enough_to_make_combustion_difficult
Fire fighting school in the 1970s taught us 15% oxygen level si necessary to support combustion. In a natural situation, no. Current levels of CO2 are 0.038% Levels of over 15% would be needed to even slow the burn down.
https://www.quora.com/How-much-percentage-of-oxygen-is-needed-in-the-atmosphere-for-spontaneous-combustion-of-air-itself-if-I-light-a-match
Even if the atmosphere is 60% oxygen, it won’t burn (assuming the rest is nitrogen). Why? Because oxygen needs to react with something to actually burn. If the atmosphere was made out of Methane or Hydrogen plus the oxygen, then, well…. Boom.
https://chemistry.stackexchange.com/questions/5708/why-is-o2-the-supporter-of-combustion
The main benefit of oxygen is that its the most commonly available oxidizer. The main component of air that support combustion is oxygen. However titanium burns in nitrogen and so does lithium, and also some other active metals such as finely divided aluminium. These form nitrides.
https://quizlet.com/172406682/fire-and-combustion-final-flash-cards/
Start studying Fire and Combustion Final. Learn vocabulary, terms, and more with flashcards, games, and other study tools. ... Which of the following materials used in fireworks does NOT require oxygen molecules to support combustion? Potassium perchlorate. ... regardless of the percent by volume of methane or oxygen. 35.
https://answers.yahoo.com/question/index?qid=20081228055613AA3jAcl
Dec 28, 2008 · Air is about 21 percent oxygen and 78 percent nitrogen. A few other substances like fluorine (F2) chlorine (Cl2) and chlorine trifluoride (ClF3) support combustion. Nitrous oxide is used as an oxidant, and is said to support combustion, but it actually decomposes to produce O2 as the oxidizer.
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