A Sample of Helium Occupies 44

question 65

Multiple Choice

A sample of helium occupies 44.8 L at standard temperature and pressure (0°C and 1 atm) . What is the mass of the sample? The atomic mass of helium is 4.00 u.

• A) 2.00 g
• B) 4.00 g
• C) 8.00 g
• D) 16.0 g

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Definitions:

Left Atrium

The heart's upper left chamber that receives oxygen-rich blood from the lungs and pumps it into the left ventricle.

Fossa Ovalis

A depression in the right atrium of the heart, the remnant of the fetal foramen ovale.

Interventricular Septum

The thick wall separating the left and right ventricles of the heart, crucial for the separation of oxygenated and deoxygenated blood.

Interatrial Septum

A thin wall separating the heart's left and right atria.