At Constant Temperature and Volume, 3

question 28

Multiple Choice

At constant temperature and volume, 3.8 × 10 ^{− 3} moles of helium is added to a 1.0 L sample of xenon at 0.081 atm and 325 K. What is the total pressure of the gas mix?

• A)0.072 atm
• B)0.18 atm
• C)0.21 atm
• D)0.25 atm

---

Definitions:

Marginal Cost Curve

A graphical representation showing how the cost of producing one more unit varies with the quantity produced.

Total Variable Costs

The sum of all costs that vary with the level of production, such as materials and labor, excluding fixed costs.

Units of Output

The total quantity of goods or services produced by a firm or industry during a specific period.

Average Fixed Cost Curves

A graph representing the fixed costs of production (costs that do not change with the level of output) spread over varying levels of output, typically decreasing as output increases.