6. A breathing mixture is prepared in which He is substituted if N2. The gas is 79% He and 21% O2, by volume. (a) What is the density of this mixture in grams per litter at 25°C and 1 atm? (b) At 25°C, what pressure would the He-O2 mixture have the same density as that of air at 25°C and 1 atm? (air composition: 78.08% N2, 20.95%O2, 0.93% Ar, and 0.036% CO2 by volume)
6. A breathing mixture is prepared in which He is substituted if N2. The gas is 79% He and 21% O2, by volume. (a) What is the density of this mixture in grams per litter at 25°C and 1 atm? (b) At 25°C, what pressure would the He-O2 mixture have the same density as that of air at 25°C and 1 atm? (air composition: 78.08% N2, 20.95%O2, 0.93% Ar, and 0.036% CO2 by volume)
Chapter5: Gases
Section: Chapter Questions
Problem 152CP: You have an equimolar mixture of the gases SO2 and O2, along with some He, in a container fitted...
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![6. A breathing mixture is prepared in which He is substituted if N2. The gas is 79%
He and 21% O2, by volume.
(a) What is the density of this mixture in grams per litter at 25°C and 1 atm?
(b) At 25°C, what pressure would the He-O2 mixture have the same density as that
of air at 25°C and 1 atm? (air composition: 78.08% N2, 20.95%O2, 0.93% Ar,
and 0.036% CO2 by volume)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc8721aa9-a6f3-4268-8735-ebbcb670dfaa%2F19b9739f-8957-40f2-bd94-7de09b2357aa%2Fnqgqk1_processed.png&w=3840&q=75)
Transcribed Image Text:6. A breathing mixture is prepared in which He is substituted if N2. The gas is 79%
He and 21% O2, by volume.
(a) What is the density of this mixture in grams per litter at 25°C and 1 atm?
(b) At 25°C, what pressure would the He-O2 mixture have the same density as that
of air at 25°C and 1 atm? (air composition: 78.08% N2, 20.95%O2, 0.93% Ar,
and 0.036% CO2 by volume)
![6. A breathing mixture is prepared in which He is substituted if N2. The gas is 79%
He and 21% O2, by volume.
(a) What is the density of this mixture in grams per litter at 25°C and 1 atm?
(b) At 25°C, what pressure would the He-O2 mixture have the same density as that
of air at 25°C and 1 atm? (air composition: 78.08% N2, 20.95%O2, 0.93% Ar,
and 0.036% CO2 by volume)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc8721aa9-a6f3-4268-8735-ebbcb670dfaa%2F19b9739f-8957-40f2-bd94-7de09b2357aa%2Fcw0ziyo_processed.png&w=3840&q=75)
Transcribed Image Text:6. A breathing mixture is prepared in which He is substituted if N2. The gas is 79%
He and 21% O2, by volume.
(a) What is the density of this mixture in grams per litter at 25°C and 1 atm?
(b) At 25°C, what pressure would the He-O2 mixture have the same density as that
of air at 25°C and 1 atm? (air composition: 78.08% N2, 20.95%O2, 0.93% Ar,
and 0.036% CO2 by volume)
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