   Chapter 12, Problem 5P

Chapter
Section
Textbook Problem

A gas expands from I to F along the three paths indicated in Figure P12.5. Calculate the work done on the gas along paths (a) IAF, (b) IF, and (c) IBF. Figure P12.5 Problems 5 and 15.

(a)

To determine
The work done along the path IAF.

Explanation

Section1:

To determine: The work done along the path IA.

Answer: Thus, the work done is 810J .

Explanation:

Given Info:

Constant pressure of the gas is (4atm)(1.013×105Pa/atm) .

Initial volume ( Vi ) of the gas is 2L .

Finial volume ( Vf ) of the gas is 4L .

Formula to calculate the work done of the gas is,

W=P(VfVi)

• P is the pressure
• Vf is the final volume
• Vi is the initial volume

Substitute 4atm for P , 4L for Vf and 2L for Vi to find the work done,

W=[(4atm)(1.013×105Pa/atm)](4L2L)[103m31L]=810J

Thus, the work done is 810J

(b)

To determine
The work done along the path IF.

(c)

To determine
The work done along the path IBF.

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