A System Contracts from an Initial Volume of 15

question 134

Multiple Choice

A system contracts from an initial volume of 15.0 L to a final volume of 10.0 L under a constant external pressure of 0.80 atm. What is w? (1 L·atm = 101.3 J)

• A) -4.0 J
• B) +4.0 J
• C) -4.1 ×10² J
• D) +4.1 ×10² J
• E) +81 J

---

Definitions:

Cellulose

An organic compound with the formula (C6H10O5)n, a polysaccharide consisting of a linear chain of several hundred to many thousands of β(1→4) linked D-glucose units, a primary structural component of plant cell walls.

Digestive Tracts

The series of hollow organs joined in a long, twisting tube from the mouth to the anus, where food is broken down and nutrients are absorbed.

Pulp Cavity

The central part of a tooth containing the nerve and blood vessels, vital for the tooth's nutrition and sensitivity.

Tooth Decay

A condition where the structure of the tooth is damaged due to bacterial activity, leading to cavities or caries.