What Is the Change in Internal Energy in Joules for a System

question 14

Multiple Choice

What is the change in internal energy in joules for a system that releases 154 J of heat and does 125 J of work on its surroundings?

• A) -29 J
• B) 279 J
• C) 29 J
• D) 1.23 J
• E) -279 J

---

Definitions:

Stressful Life Events

Significant occurrences in a person's life that disrupt the typical flow of daily life and can have profound effects on psychological and physiological well-being.

Professional Help

Assistance provided by individuals with specialized training and credentials, often in healthcare or counseling professionals, to address physical, mental, or emotional issues.

Lethargic

describes a state of sluggishness, fatigue, or lack of energy, often resulting from illness, lack of sleep, or other factors.

Major Depressive Disorder

A clinical condition characterized by persistent feelings of sadness, hopelessness, and loss of interest, significantly affecting daily functioning.