Equal Masses of Hydrogen and Helium Gas Are at the Same

question 43

Multiple Choice

Equal masses of hydrogen and helium gas are at the same temperature in vessels of equal volume.The atomic mass of helium is four times that of hydrogen.If the total mass of both gases is the same,the ratio of the pressure of helium (He) to that of hydrogen (H₂) is

• A) .
• B) .
• C)1.
• D)2.
• E)4.

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Definitions:

Iron Formation

A geological formation consisting of layers of iron minerals, often found as banded iron formations which are significant sources of iron ore.

Seawater

The saltwater that fills the oceans and seas, covering approximately 71% of Earth's surface.

Silica-rich Organisms

Refers to organisms that utilize silica (SiO2) in their structural makeup, often found in the cell walls or skeletons, such as diatoms and some sponges.

Chert Formation

The process by which chert, a hard, fine-grained sedimentary rock composed of microscopic silica particles, is formed, often in deep marine environments.