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Chapter 19: Q. 1 (page 543)

How much work is done on the gas in the process shown in Figure EX19.1?

Short Answer

Expert verified

The amount of work done energy is80J

Step by step solution

01

Definition of work done

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

02

Step  2: Finding the work done energy.

In the isobaric process, pressure is negative

Now W=-p鈭�V

V=(Vf-Vi)=(300-100)m3=200cm3

Now convert volume cm to m 2脳10-4m3

So the value of work done is

localid="1651380670133" W=-p鈭�V=(-400脳103脳2脳10-4Pa脳m3)=-80J

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Most popular questions from this chapter

500 J of work are done on a system in a process that decreases the system鈥檚 thermal energy by 200 J. How much heat energy is transferred to or from the system?

A 5.0-m-diameter garden pond is 30 cm deep. Solar energy is incident on the pond at an average rate of 400 W/m2 . If the water absorbs all the solar energy and does not exchange energy with its surroundings, how many hours will it take to warm from 15掳C to 25掳C?

0.10 mol of nitrogen gas follow the two processes shown in

Figure EX19.31. How much heat is required for each?

FIGURE P19.62 shows a thermodynamic process followed by 120mgof helium.

a. Determine the pressure (in atm), temperature (in C鈭�), and volume in (cm3)of the gas at points 1,2 , and 3 . Put your results in a table for easy reading.

b. How much work is done on the gas during each of the three segments?

c. How much heat energy is transferred to or from the gas during each of the three segments?

Draw a first-law bar chart (see Figure 19.12) for the gas process in Figure EX19.6.
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