The Mathematical Expression for the Change in Free Energy of a System

question 25

Multiple Choice

The mathematical expression for the change in free energy of a system is ΔG = ΔH - TΔS.Which of the following is (are) correct?

• A)ΔS is the change in enthalpy, a measure of randomness.
• B)ΔH is the change in entropy, the energy available to do work.
• C)ΔG is the change in free energy.
• D)T is the temperature in degrees Celsius.
• E)T is the temperature in degrees Fahrenheit.

---

Definitions:

Acetylcholine

A neurotransmitter in both the central and peripheral nervous systems that plays a key role in muscle movement and cognitive functions.

Epinephrine

A hormone and neurotransmitter also known as adrenaline, involved in the body's fight-or-flight response.

Acetylcholine

A neurotransmitter in both the peripheral nervous system (PNS) and central nervous system (CNS) in many organisms that plays a role in muscle activation, memory, and learning.

Alzheimers Disease

A progressive neurodegenerative disorder characterized by memory loss, cognitive impairment, and eventual loss of the ability to carry out everyday activities.