Question

I NEED HELP ASAP! Compare the spectrum of the unknown gas collected at the bulb company

Answer 1

The leaking gas is Neon.

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The gases commonly used in fluorescent light bulbs include Hydrogen, Helium, Neon, Argon, Krypton, Xenon.

Fluorescent lamps emit light of wavelength between 400 nm to 700 nm.

In the given chart the suspected gases in the bulb include;

Hydrogen (H), maximum wavelength (nm) = 410, 434, 86, 656

Helium (He), maximum wavelength, (nm) = 438, 443, 7, 471, 42, 501, 50, 587, 66.

Neon, (Ne), maximum wavelength, (nm) = 421, 423, 425, 436,

The leaking gas is determined as follows;

• For hydrogen the maximum wavelength fluctuated between 86 and 656, which caused the average of the maximum wavelength to be 396.5 nm. The average of the maximum wavelength is below the minimum wavelength of the Fluorescent lamp.

• For Helium, the maximum wavelength fluctuated between 7 and 587, which caused the average of the maximum wavelength to be 282.11 nm. The average of the maximum wavelength is below the minimum wavelength of the Fluorescent lamp.

• For Neon (Ne), the maximum wavelength is fairly constant and the average of the maximum wavelength is 426.25 nm. This value is above the minimum wavelength of the fluorescent lamps.

Thus, the leaking gas is Neon.

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