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

question 16

Multiple Choice

The mathematical expression for the change in free energy of a system is ΔG = ΔH - TΔS. Which of the following statements best describes a term in this equation?

• 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:

Lymphatic Vessels

Thin-walled vessels structured like blood veins, responsible for transporting lymph and immune cells throughout the body.

Intestinal Villi

Small, finger-like projections that protrude from the inner lining of the intestine, increasing the surface area for nutrient absorption.

Veins

Blood vessels that carry blood towards the heart. They differ from arteries, which carry blood away from the heart.

Lymphatic System

Organ system consisting of lymphatic vessels and lymphatic organs; transports lymph and lipids, and aids the immune system.