5. (6.49) Scuba divers sometimes breathe a gas mixture called trimix, which consists of helium, oxygen, and nitrogen gases. If a scuba tank with a volume of 2.5 L, a pressure of 2700 psi, and a temperature of 45°F contains 27% 02, 12% He, and 61% N2, a. what is the partial pressure of each gas? b. How many grams of O2 are present?

Biomedical Instrumentation Systems
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ISBN:9781133478294
Author:Chatterjee
Publisher:Chatterjee
Chapter11: Instrumentation In Respiration
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Could you explain questions 5, a & b, thoroughly? What type of formula would it be and why?  What do the percentages do?

5. (6.49) Scuba divers sometimes breathe a gas mixture called trimix, which consists of
helium, oxygen, and nitrogen gases. If a scuba tank with a volume of 2.5 L, a pressure of
2700 psi, and a temperature of 45°F contains 27% 02, 12% He, and 61% N2,
a.
what is the partial pressure of each gas?
b. How many grams of O2 are present?
Transcribed Image Text:5. (6.49) Scuba divers sometimes breathe a gas mixture called trimix, which consists of helium, oxygen, and nitrogen gases. If a scuba tank with a volume of 2.5 L, a pressure of 2700 psi, and a temperature of 45°F contains 27% 02, 12% He, and 61% N2, a. what is the partial pressure of each gas? b. How many grams of O2 are present?
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