An Oxygen Tank Kept at 20C Contains 28

question 9

Multiple Choice

An oxygen tank kept at 20C contains 28.0 moles of oxygen and the gauge reads 31.0 atm.After two weeks,the gauge reads 10.5 atm.How many moles of oxygen were used during the two-week period?

• A)9.25 moles
• B)7.5 moles
• C)20.5 moles
• D)18.5 moles
• E)9.48 moles

---

Definitions:

Absorption Costing

A method of accounting that incorporates all costs associated with manufacturing, including direct materials, direct labor, and overhead expenses, into the product's cost.

Contribution Format

A presentation format for the income statement where costs are separated into variable and fixed categories, highlighting the contribution margin.

Absorption Costing

An accounting method where all manufacturing costs, both fixed and variable, are attributed to the production of products.

Variable Costing

A costing method in which variable manufacturing costs are included in product costs, while fixed manufacturing costs are treated as period costs.