In a Certain Thermodynamic Process,20 Cal of Heat Are Removed

question 73

Multiple Choice

In a certain thermodynamic process,20 cal of heat are removed from a system and 30 cal of work are done on the system.The internal energy of the system

• A)increases by 10 cal.
• B)decreases by 10 cal.
• C)increases by 50 cal.
• D)decreases by 50 cal.
• E)decreases by 20 cal.

---

Definitions:

Cost of Goods Sold

The historical cost of products sold as reported in the income statement.

Gross Profit

The difference between revenue and the cost of goods sold, indicating the profitability of a company's core activities.

Goods Available for Sale

The total quantity of goods that a company has in its stock ready to sell at the end of a financial period.

Absorption Costing

An accounting method that includes all manufacturing costs — direct materials, direct labor, and both variable and fixed overhead — in the cost of a product.