A Gas Expands as Shown in the Graph

question 3

Multiple Choice

A gas expands as shown in the graph. If the heat taken in during this process is 1.02 × 10⁶ J and 1 atm = 1.01 × 10⁵ N/m², the change in internal energy of the gas (in J) is

• A) −2.42 × 10⁶
• B) −1.40 × 10⁶
• C) −1.02 × 10⁶
• D) 1.02 × 10⁶
• E) 1.40 × 10⁶

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Definitions:

Direct Materials

Raw materials that can be directly traced to the production of a specific product and are a significant portion of the production cost.

Period Costs

Costs that are expensed in the period in which they are incurred, rather than being capitalized or included in the cost of goods sold, such as selling, general, and administrative expenses.

Direct Materials

Raw materials that can be directly associated with the production of goods, clearly identifiable and allocable to specific products or jobs.

Factory Overhead

The total of all indirect costs associated with manufacturing, including indirect labor, materials, and expenses not directly tied to the production of goods.