A Cube of Aluminum Has an Edge Length of 20

question 9

Multiple Choice

A cube of aluminum has an edge length of 20 cm.Aluminum has a density 2.7 times that of water (1 g/cm³) and a specific heat 0.217 times that of water (1 cal/g°C ) .When the internal energy of the cube increases by 47000 cal its temperature increases by:

• A)5 C°
• B)10 C°
• C)20 C°
• D)100 C°
• E)200 C°

---

Definitions:

Anticompetitive Behavior

Actions by businesses that unfairly restrict competition in the marketplace.

Sherman Act

A landmark federal statute in the field of Antitrust Law passed by Congress in 1890, which outlaws monopolistic business practices.

Foreign Companies

Businesses that are incorporated or registered outside of a country’s borders and operate within that country.

U.S. Commerce

Refers to the economic activities and trade within the United States, including transactions of goods and services.