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Jul 18, 2024 · Fire is mostly a state of matter called plasma. However, parts of a flame consist of solids and gases. The exact chemical composition of fire depends on the nature of the fuel and its oxidizer. Most flames consist of carbon dioxide, water vapor, nitrogen, and oxgen.
- Anne Marie Helmenstine, Ph.D.
Flames consist primarily of carbon dioxide, water vapor, oxygen and nitrogen. If hot enough, the gases may become ionized to produce plasma. [2] . Depending on the substances alight, and any impurities outside, the color of the flame and the fire's intensity will be different. [3]
Coal, oil and natural gas are widely used fuels and when they burn, the hydrocarbons react with oxygen. If there is plenty of air, complete combustion happens: the hydrogen atoms combine with...
What we know for sure is that fire is the visible effect of combustion – an exothermic chain reaction requiring the fire triangle: oxygen, heat and some type of fuel. Combustion resulting in fire can only occur between gases (liquid or solid fuels must first be vaporised for there to be a flame) and that gives us our first clue as to how to ...
- Ian Farrell
Many of us use methane gas (CH 4), commonly known as natural gas, at home for cooking. When the gas is heated (by a flame or spark) and if there is enough oxygen in the atmosphere, the molecules will break apart and reform totally as water and carbon dioxide.
Oct 19, 2023 · The state of fire is plasma (mostly). Science cannot precisely describe the true nature of fire, but to clear up the doubts of inquisitive minds, fire is most similar to plasma! Plasma resembles a gas more than any other state of matter, but it behaves very differently from a gas.
When the flame ignites the gases, the fire spreads. On Earth, gravity determines how the flame burns. All the hot gases in the flame are much hotter (and less dense) than the surrounding air, so they move upward toward lower pressure.
