7. Which of the following correctly describes the partial pressures of gases in

Question

7. Which of the following correctly describes the partial pressures of gases in the body? A) high O 2, high CO 2, tissue B) low O2, low CO2, deoxygenated blood C) high O 2, lowCO2, oxygenated blood D) high O2, high CO2, oxygenated blood E) high O2, low CO 2, deoxygenated blood 8. A tank contains a mixture of helium, neon, and argon gases. If the total pressure in the tank is 6) 490. mmHg and the partial pressures of helium and argon are 215 mmHg and 102 mmHg, respectively, what is the partial pressure of neon? 9. In a laboratory experiment, a 10.0 ml sample of NaCI solution is poured into an evaporating dish with a mass of 24.10 g. The combined mass of the evaporating dish and dry NaCl is 36.15 g. After heating, the evaporating dish and dry NaCI have a combined mass of 25.50 g a. What is the mass percent (m/m) of the NaCl solution?

Explanation / Answer

Ans 7 -

Option A is the correct answer

high o2, low CO2, oxygenated blood

In our body O2 is taken and CO2 is left

In the body

% of O2 > % of CO2

O2 is absorbed by the the body , and some O2 is absorbed by the blood.

Partial pressure directly proportional to the concentration

High O2, low CO2, oxygenated blood

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