The Density of Copper at 293 K Is 8940 Kg/m³ $\times$

question 79

Multiple Choice

The density of copper at 293 K is 8940 kg/m³ and its linear expansion coefficient is 17.0 $\times$ 10^-6 K^-1.Consider a hot cube of copper that is 1.0 cm on a side when its temperature is 1356 K.What is the cube's mass?

• A) 8.80 g
• B) 8.46 g
• C) 8.78 g
• D) 8.38 g
• E) 8.94 g

---

Definitions:

Continental Crust

The thick part of the Earth's crust that forms the continents and continental shelves, consisting mainly of granitic rocks.

Oceanic Crust

The thin, dense layer of the Earth's crust that underlies the ocean basins, composed primarily of basaltic rock.

Copper Mines

Sites where copper ore is extracted from the Earth, typically through open pit or underground mining methods.

Iron Mines

Locations or operations where iron ore is extracted from the earth, typically through open pit or underground mining techniques.