### Solution Found!

# In Fig. 18-37, a gas sample expands from V0 to 4.0V0 while its pressure decreases from

**Chapter 18, Problem 43**

(choose chapter or problem)

**QUESTION:**

In Fig. 18-37, a gas sample expands from V0 to 4.0V0 while its pressure decreases from p0 to p0/4.0. If V0 1.0 m3 and p0 40 Pa, how much work is done by the gas if its pressure changes with volume via (a) path A, (b) path B, and (c) path C? p0V0 4.0V0C BAVolume (m3)0Figure 18-37 43.

### Questions & Answers

**QUESTION:**

In Fig. 18-37, a gas sample expands from V0 to 4.0V0 while its pressure decreases from p0 to p0/4.0. If V0 1.0 m3 and p0 40 Pa, how much work is done by the gas if its pressure changes with volume via (a) path A, (b) path B, and (c) path C? p0V0 4.0V0C BAVolume (m3)0Figure 18-37 43.

**ANSWER:**

a) Path A: -320