Rank the Following in Order of Decreasing Rate of Effusion

question 19

Multiple Choice

Rank the following in order of decreasing rate of effusion.
F₂ SF₆ CO Kr

• A)SF₆ > Kr > F₂ > CO
• B)Kr > CO > SF₆ > F₂
• C)F₂ > Kr > CO > SF₆
• D)CO > F₂ > Kr > SF₆
• E)CO > F₂ > SF₆ > Kr

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Definitions:

Travel Expenses

Costs associated with traveling for business purposes, such as transportation, lodging, and meals.

Variable Cost

A cost that varies with the level of output or production, such as materials or labor costs.

Fixed Cost

A cost that does not change with the level of production or sales over a certain period, such as rent or salaries.

Plane Operating Costs

The expenses associated with operating an aircraft, including fuel, maintenance, crew, and landing fees.