The reality of blue and yellow gas flames

 The reality of blue and yellow gas flames

We know that the temperature of a blue flame is higher than that of a yellow flame. For example, the temperature of a blue flame produced by using LPG is around 1980 degrees Celsius, while the temperature of a yellow flame is only A heat of 1000 degrees Celsius is generated. Obviously, food can be prepared quickly over the blue flames of our kitchen gas stove. Why does this happen, in which cases the flames burn in different colors and who is behind them Chemical processes are used.

Blue flames are the hottest, followed by white, then orange, yellow, and red, the colors whose flames are comparatively the least hot.

In the process of combustion (combustion reaction) the oxygen that participates with the fuel has an important role. Remember that the fuel cannot burn in the absence of oxygen. The oxygen supplied with the gas (fuel) The quantity determines the color of the flame and its temperature. A fire burns blue only when sufficient oxygen is required for complete combustion of the fuel.

Fuels in the combustion reaction are usually hydrocarbons that contain only carbon and hydrogen. An example of a hydrocarbon is methane (CH4) gas, which is the main component of natural gas. ) as the complete combustion equation will be something like this:

CH4+2O2------->CO2+2H2O

This reaction shows that when methane gas is burned, it will chemically react with the oxygen in the air, resulting in flame, carbon dioxide and water vapor. Combustion is a complete process, so the color of the flame will be blue. Conversely, if the fuel (methane) requires less than the required amount of oxygen to burn, the fuel will not burn completely, resulting in a fire. The flame will be yellow instead of blue. And the smoke will be accompanied by carbon monoxide, a poisonous gas. Since carbon monoxide has no taste or smell, it can be detected in the air without special equipment. Not possible. It is a good step to install carbon monoxide detector alarms in places where such dangers are suspected.

So, if the gas flame is not blue, then it is a problem. We should keep an eye on our gas appliances and take care of their routine servicing as needed to use them properly. Not only can one be protected from the hazards of consumption, but more work can be done by using less gas

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