April 30, 2025
Science

There is a beautiful chemistry behind it: what makes the colors of flames different?

  • October 1, 2024
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Fire and flames are the consequences of combustion that are visible to the naked eye. are its physical consequences. They also reveal different colors in each substance. Agree

Fire and flames are the consequences of combustion that are visible to the naked eye. are its physical consequences. They also reveal different colors in each substance.

Agree The reason for this difference Why?

Different flame colors are related to the chemical composition of the burned material and the specific wavelengths of light emitted as a result of chemical reactions.

For example, when various elements are heated in a fire, the electrons of these elements absorb energy and jumps to higher energy levels. When these excited electrons return to a lower energy state, they emit light at specific wavelengths that correspond to the different colors our eyes see.

The color and intensity of the flame vary between the excited state and the ground state of electrons, varying from element to element. determined by energy differences. For example, burning sodium produces a bright yellow color, while copper produces a green flame. Potassium radiates a purple hue.

In fact, the flames in this case act as a natural spectroscope.

In this way it is possible to get some clues about the elemental composition of the burned material. In addition, chemical composition and light at certain wavelengthsThe relationship between chic emission is also becomes understandable.

Furthermore, flames of different colors have different properties. blue flame, Where the gas mixture is most favourable It indicates hotter and more oxygen-rich combustion. Orange and yellow flame indicate moderate temperatures.

Red flames are usually a sign of cooler temperatures and can occur in situations where oxygen is limited or does not allow for more efficient combustion It is caused by the burning of certain substances.

So flame colors, depending on available fuel and oxygen It gives us clues about the temperature and efficiency of combustion.

Sources: Science ABC, How Things Work

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