How Does the Density of Copper at Its Melting Point

question 44

Multiple Choice

How does the density of copper at its melting point of 1,356 K compare to that of copper at room temperature, 293 K? Its linear expansion coefficient is 17.0 x 10⁻⁶ K⁻¹.

• A) 1.054 times as large
• B) 1.018 times as large
• C) 0.949 times as large
• D) 0.982 times as large
• E) 0.946 times as large

---

Definitions:

Service Charge

A fee collected for services provided, often added to a bill in restaurants, hotels, or other service industries.

Interest

The cost of borrowing money or the return earned on an investment, expressed as a percentage of the principal.

Check Stub

A part of a check that is kept for record-keeping purposes, detailing the check's purpose, date, and amount.

Balance Forward

The amount of money brought forward from a previous statement or bill as the starting point for the next period.