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https://www.answers.com/Q/What_is_the_percentage_of_oxygen_required_to_support_combustion
Aug 23, 2014 · If oxygen is the oxidizing element of the atmosphere used to continue fueling the flames, the air only needs 16% minimum. Air contains 21% oxygen. However, other sources of combustion are available, such as fluorine burning water, or hydrogen burning chlorine.
https://en.wikipedia.org/wiki/Limiting_oxygen_concentration
The limiting oxygen concentration, (LOC), also known as the minimum oxygen concentration, (MOC), is defined as the limiting concentration of oxygen below which combustion is not possible, independent of the concentration of fuel. It is expressed in units of volume percent of oxygen. The LOC varies with pressure and temperature. It is also dependent on the type of inert (non-flammable) gas.
https://en.wikipedia.org/wiki/Limiting_oxygen_index
The limiting oxygen index (LOI) is the minimum concentration of oxygen, expressed as a percentage, that will support combustion of a polymer. It is measured by passing a mixture of oxygen and nitrogen over a burning specimen, and reducing the oxygen level until a critical level is reached.
https://education.seattlepi.com/chemical-composition-normal-air-vs-pure-oxygen-4306.html
Combustion is a chemical reaction in which hydrocarbons combine with oxygen, producing carbon dioxide, water vapor and energy. Air provides enough oxygen to easily support combustion, whether the fuel is wood, gasoline, methane or coal. In pure oxygen, however, combustion and fire become significantly greater hazards.
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 ...
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.
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
Oxygen in the air will not spontaneously combust no matter what the percentage, you have to have a fuel of some sort such as methane, hydrogen or even alcohol or gasoline fumes, even then combustion of an air fuel mixture is not guaranteed when yo...
https://www.eng-tips.com/viewthread.cfm?qid=105823
Oct 21, 2004 · I want to know what is the required level of oxygen in the air to initiate comustion? The incoming air temperature is 350F and moisture is 0.020 lbs H2O/lbs Air. The exhaust air is 250F and 0.040 lbs H2O/lbs Air. What is the level of O2 necessary for combustion? Are there any graphs for O2 vs Temperature for combustion?
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.
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