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

question 73

Multiple Choice

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

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Definitions:

Endocrine System

A network of glands throughout the body that secretes hormones directly into the bloodstream, regulating vital processes such as growth, metabolism, and reproduction.

Secrete Hormones

The process by which glands or cells release hormones, chemical messengers that regulate various functions in the body, into the bloodstream.

Tissue Fluid

A fluid that surrounds the cells in tissues, providing them with nutrients and removing waste, essentially the extracellular fluid.

Popliteal

Pertaining to the area behind the knee where blood vessels and nerves pass.