In Physics, We Typically Write the First Law of Thermodynamics

question 103

Multiple Choice

In physics, we typically write the first law of thermodynamics as ΔU = Q W. The variable Q represents ___ and the variable W represents ___.

• A) the internal energy of the system; the work done on a system by its surroundings
• B) the internal energy of the system; the work done by a system on its surroundings
• C) the heat flow into the system; the work done by a system on its surroundings
• D) the temperature of the system; the work done by a system on its surroundings
• E) the heat flow into the system; the internal energy of the system

---

Definitions:

Colon Cancer

A type of cancer that occurs in the colon or rectum, part of the digestive tract, characterized by the development of malignant cells.

American Cancer Society

A nationwide, community-based health organization dedicated to eliminating cancer as a major health problem through research, education, advocacy, and service.

Humorous Appeals

Marketing strategies that use humor to engage and attract consumers, often to create a memorable brand experience.

Commercials

Short, advertisement films or audio messages broadcasted on television or radio intended to promote products, services, or ideas.