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Why is the concentration of helium increased in some gas mixtures that drivers breath in order to reduce patial pressure of oxygen?
Wiki User
∙ 12y ago
they will exploded internally if they dont
Wiki User
∙ 12y ago
The concentration of helium is increased in some gas mixtures to reduce the partial pressure of oxygen because helium is a low-density gas that is less soluble in the blood than nitrogen. By replacing nitrogen with helium, the overall density of the gas mixture is reduced, which helps to decrease the work of breathing. This is particularly beneficial in diving situations, where high pressures can increase the risk of nitrogen narcosis and oxygen toxicity.
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