A System Is Acted on by Its Surroundings in Such

question 87

Multiple Choice

A system is acted on by its surroundings in such a way that it receives 80 J of heat while simultaneously doing 20 J of work.What is its net change in internal energy?

• A)100 J
• B)60 J
• C)zero
• D)−60 J
• E)−100 J

---

Definitions:

Abstract Words

Words that represent ideas or concepts rather than tangible objects or actions, often subjective and open to interpretation.

Informal Tone

An informal tone in writing or speaking is casual and conversational, often used among friends or in relaxed situations.

Business Messages

Communication that conveys information, requests, feedback, or decisions within or outside a business organization.

Encourages Audience

Refers to techniques or methodologies aimed at engaging and motivating an audience to participate or take interest.