A Solid Mass of Aluminum Is at Its Melting Point

question 42

Multiple Choice

A solid mass of aluminum is at its melting point.During the melting process,the change in entropy of the aluminum is 9.11 * 10^-3 kJ/K.What is the mass of the aluminum?

• A)20.0 g
• B)28.9 g
• C)23.7 g
• D)21.4 g
• E)26.3 g

---

Definitions:

Electrical Voltage

The difference in electric potential between two points, which drives the flow of electric current in a circuit.

Neurogenesis

The process of generating new neurons in the brain.

Transcranial Direct

Likely referring to transcranial direct current stimulation (tDCS), a form of neurostimulation that uses constant, low current delivered to the brain area via electrodes on the scalp.

Melatonin

A hormone produced by the pineal gland that regulates sleep and wakefulness.