Question

What slow down the speed of oxygen?​

Answer 1

Explanation:

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⇒ Slow combustion (smoldering) is the slow, low-temperature, flameless form of combustion, sustained by the heat evolved when oxygen directly attacks the surface of a condensed-phase hydrocarbon.

⇒ It is a slow, low-temperature, flameless form of combustion of a condensed fuel that poses safety and environmental hazards and allows novel technological application but the fundamentals remain mostly unknown.

⇒ The terms filtering combustion, smoking problem, deep seated fires, hidden fires, peat or peatland fires, lagging fires, low oxygen combustion, in-situ combustion, fireflood, and underground gasification all refer to smoldering combustion phenomena.

⇒ Also, smoldering combustion is a typically incomplete combustion reaction (Rein, 2009). Solid materials that can sustain a smoldering reaction include coal, cellulose, wood, cotton, tobacco, peat, coal duff (coal fines), humus, synthetic foams, charring polymers including polyurethane. Common examples of smoldering phenomena are the initiation of residential fires on upholstered furniture by weak heat sources (e.g., a cigarette, a short-circuited wire), and the persistent combustion of biomass behind the flaming front of wildfires.

⇒ The term smoldering is sometimes inappropriately used to describe a nonflaming response of condensed phase organic materials to an external heat flux. Any organic material, when subjected to a sufficient heat flux, will degrade, gasify, and give off smoke. There usually is little or no oxidation involved in this gasification process, and thus it is endothermic. This process is more appropriately referred to as forced pyrolysis, not smoldering.

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Answer 2

Answer:

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$carbon \: dioxide$