The Heat of Fusion for Gold at 1,063 $^{\circ}$ C Is 666 KJ/kg and the Specific Heat of Gold Is 0

question 12

Multiple Choice

The heat of fusion for gold at 1,063 $^{\circ}$ C is 66.6 kJ/kg and the specific heat of gold is 0.128 kJ/kg $^{\circ}$ C.What is the energy needed to melt 100 grams of gold starting at 0 $^{\circ}$ C?

• A) 20.3 kJ
• B) 17.8 kJ
• C) 12.3 kJ
• D) 9.50 kJ
• E) 7.50 kJ

---

Definitions:

Cultural Evolution

The theory that culture changes over time due to various factors such as innovation, diffusion, and social learning, somewhat analogous to biological evolution.

Notion Of Progress

The idea or belief that society, technology, the economy, and cultures are moving forward and improving over time.

Horticulturalists

Individuals or societies that specialize in the art and science of cultivating plants, especially fruits, vegetables, and ornamental plants.

Agriculturalists

Individuals or societies that engage in agriculture, the practice of cultivating soil, producing crops, and raising livestock for human use.