A 0333-G Sample of an Unknown Pure Gas Occupies a Volume

question 50

Multiple Choice

A 0.333-g sample of an unknown pure gas occupies a volume of 0.255 L at a pressure of 1.00 atm and a temperature of 100.0 °C. The unknown gas is ________.

• A)xenon
• B)neon
• C)krypton
• D)helium
• E)argon

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Definitions:

Contribution Margin

The amount of revenue remaining after subtracting variable costs, used to cover fixed costs and generate profit.

Mixed Costs

Expenses that have both a fixed and variable component, changing in total with the level of activity but also including a constant element.

Fixed Costs

Fixed costs are expenses that remain constant for a company regardless of how much it produces or sells, such as rent, salaries, and insurance premiums.

Variable Costs

Costs that fluctuate in direct proportion to the amount of production or sales figures.