On the question of flames, what is the essence of flames

Updated on science 2024-02-08
10 answers
  1. Anonymous users2024-02-05

    The color of the flame is produced by the oxygen content in the air, the higher the oxygen content, the more vigorous and red the fire, and the less oxygen content, the darker and more blue the fire. Combustion must have combustibles and combustibles and ignition sources.

  2. Anonymous users2024-02-04

    Flame is rightly said to be a state or phenomenon that is the phenomenon of releasing light and heat when combustibles react with combustibles when they oxidize with combustibles.

    A flammable liquid or solid must be turned into a gas before it can be burned to produce a flame.

    It is mainly due to the oxidation of combustible gas by air or simple oxygen.

  3. Anonymous users2024-02-03

    The burning flame is a type of plasma.

  4. Anonymous users2024-02-02

    Combustion does not necessarily produce a flame, and the reason why combustibles burn with a flame is because of flammable gases.

    in combustion, e.g. hydrogen, carbon monoxide.

    When burning, there is a flame, and when wood burns, the fire is raging, because wood can volatilize flammable gases when burning.

    Light is a type of energy that generates heat.

    Phenomena generally have light, so combustion generally has light. Only gas combustion has a flame, and some solid combustion looks like it also has a flame, but in fact, the result of combustion after solid gasification at that time is essentially the combustion of gas.

  5. Anonymous users2024-02-01

    Flame, flame, flame or flame is an area of glowing and heat-generating gas produced when a combustible substance is burned. The flame consists of an exothermic reaction (e.g. combustion, a self-sustaining oxidation reaction) that is large and concentrated in a small block.

    As a result, when the flame itself is hot enough to ionize the gas, it becomes plasma. Fire is a phenomenon produced during the combustion of matter, and the light and heat emitted are the way in which energy is released. The flame undergoes a strong oxidation reaction that can take on different shapes with the vibration of the particles, and the high temperature above the flame is in the form of plasma (the fourth state, similar to a gas).

    Remember to adopt it.

  6. Anonymous users2024-01-31

    When burning, there will be a transition and transfer of electrons, and a part of the energy will be released in the form of visible light

  7. Anonymous users2024-01-30

    What exactly is a flame? How did it come about?

  8. Anonymous users2024-01-29

    It is the light and heat produced by the combustion of matter. The visible part of fire, called flame, can take on different shapes as particles vibrate, and can take the form of plasma (fourth state, similar to gas) when the temperature is high enough. Depending on the substance burned and the purity, the color and brightness of the flame will vary.

    According to the law of conservation of mass, fire does not make the atoms of the combustible object disappear, but only transforms the molecular form of the combustible object through chemical reaction. When a fire gets out of control, it is often referred to as a misfire or fire.

    If the combustion oxidant comes from the surrounding air, gravity or other acceleration creates a convection current, which carries away the products of combustion and supplements oxygen to help continue combustion. Without convection, the fuel will immediately be surrounded by the surrounding combustion products and non-flammable gases in the air, and the fire will be extinguished due to insufficient oxygen.

    As soon as any of the burning tetrahedra is removed, the fire will be extinguished.

  9. Anonymous users2024-01-28

    Here are 7 of them.

    1.A phenomenon of combustion is a large number of gaseous atoms that have undergone various degrees of electronic transitions and even ionization. (described at the atomic level).

    2.Like water is heated and hot gas comes out, and wood (or other) burns and there is a flame (description from **).

    I did an experiment in which ten candles were arranged in a straight line at close proximity (equidistant), and then the sparks were shot out with an old-fashioned lighter (the kind rubbed out of sparks) at the far right, and it was found that the sparks were observed on the flame of the candle at the far left!! Considering the reproducibility of the experiment, it was done 10 times in a row (6 times Mars could be clearly seen). It was dynamic and the air was drier.

    However, what is the principle, ta consult the information, Bozhong Zen has said that it is dry air ionization. (An experiment is presented).

    4.Flame is a natural phenomenon, and all you see is a phenomenon, which is the light energy produced by combustion, and this energy is in the form of light ions that come into your eyes. (described in terms of energy).

    5.If I explain it to children, I will say: the base dust flame is a kind of light, it has "life", and it needs to be burned by material things to have flames; Flames have a temperature, and they are usually very hot, so the flame should not be touched with your hands, and you can feel its temperature next to it.

    It can bring us warmth, hope. It may also be out of our control. (Explained in a dimension that children can understand).

    6.The flames are the trembling of the air. (The reaction of the person who wrote this sentence).

    7.The flame will glow and heat, and the imagination generated by the burning will be the flame when the birthday candle is lit. (Describe feelings, feelings, situations).

    These tell us that what comes out of writing Peihui reflects the author's cognitive dimension. It also reminds us who we should pay attention to? To whom? What do you expect from your readers? What is the purpose?

    The above made me think: how can an author write something from three dimensions, or five dimensions? For example, from the dimension of one's own understanding, the dimension of reader's understanding, the dimension of onlookers' evaluation, the professional dimension, and the dimension of simplicity and understanding.

    When we write a short essay, we may try to write it from several dimensions. When we write more, we will be able to observe and think about problems and analyze things from multiple dimensions.

  10. Anonymous users2024-01-27

    Flame refers to the scorching, glowing vaporized part of fire. Flame is a trapping state or phenomenon, burning combustible gas, glowing, heating, flickering and rising. Combustion is both a chemical and a physical phenomenon.

    Flames can bring many benefits, but the use of branches is also a reminder.

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