The Pressure of O₂ in a 15

question 38

Multiple Choice

The pressure of O₂ in a 15.0 L flask is 322 mm Hg at 44 °C.What mass of O₂ is in the flask? (R = 0.08206 L⋅atm/mol⋅K)

• A) 0.244 g
• B) 5.80 g
• C) 7.82 g
• D) 15.2 g
• E) 56.3 g

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Definitions:

Superior Vena Cava

A large vein carrying deoxygenated blood from the upper half of the body to the heart's right atrium.

Pulmonary Vein

A blood vessel that carries oxygenated blood from the lungs back to the left atrium of the heart.

Infero-anterior Apex

The lowest forward-facing point of a structure, such as the tip of the heart.

Posterior Interventricular Artery

A blood vessel that runs along the heart's surface and supplies the ventricles with oxygen-rich blood.