Equal Masses of Hydrogen and Helium Gas Are at the Same

question 15

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:

Marginal Cost

The bump in overall costs arising from the production of an additional product or service unit.

Profit Increase

A rise in the difference between a business's revenues and its expenses, indicating improved financial performance.

Perfectly Competitive Firm

A company that operates in a market where there are many sellers and buyers, the product is homogeneous, and there are no barriers to entry or exit.

Breaks Even

A financial situation where total revenues are equal to total costs, resulting in no profit or loss.