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Chapter 19: Q. 2 (page 543)

How much work is done on the gas in the process shown in Figure EX19.2?

Short Answer

Expert verified

The amount of work done energy is 60J

Step by step solution

01

Definition of work done

The work done has represented as energy that is transferred between system and environment.

02

Finding the work done energy.

A the energy is transferred from gas to environment the work done is negative in the area of graph.

The area of the triangle is

=12鈭�V脳鈭�p=12脳(Vf-Vi)(鈭�p)=12脳(100脳10-6-300脳10-6)m3(400脳103-200脳103)Pa=-20J

The area of rectangular is


=鈭�V脳鈭�p=(Vf-Vi)(鈭�p)=(100脳10-6-300脳10-6)m3(200脳103-0脳103)Pa=-40J

So, the total work done is the sum of triangle and rectangular (-20J-40J)=-60J

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Most popular questions from this chapter

A 65 cm3 block of iron is removed from an 800掳C furnace and

immediately dropped into 200 mL of 20掳C water. What fraction

of the water boils away?

a. 100 J of heat energy are transferred to 20 g of mercury. By how much does the temperature increase?

b. How much heat is needed to raise the temperature of 20 g of water by the same amount?

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into a sink filled with 10.0 L of water at 20.0C. The water temperature

quickly rises to 24.0C. What was the initial temperature

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A monatomic gas follows the process 1S 2S 3 shown in

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