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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∆V

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

Now convert volume cm to m 2×10-4m3

So the value of work done is

localid="1651380670133" W=-p∆V=(-400×103×2×10-4Pa×m3)=-80J

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Most popular questions from this chapter

When strong winds rapidly carry air down from mountains to a lower elevation, the air has no time to exchange heat with its surroundings. The air is compressed as the pressure rises, and its temperature can increase dramatically. These warm winds are called Chinook winds in the Rocky Mountains and Santa Ana winds in California. Suppose the air temperature high in the mountains behind Los Angeles is 0°C at an elevation where the air pressure is 60kPa. What will the air temperature be, in C∘ and F∘ when the Santa Ana winds have carried this air down to an elevation near sea level where the air pressure is 100kPa?

A gas is compressed from 600 cm3 to 200 cm3 at a constant pressure of 400 kPa. At the same time, 100 J of heat energy is transferred out of the gas. What is the change in thermal energy of the gas during this process?

w

The gas cylinder in Figure Q19.9 is a rigid container that is well insulated except for the bottom surface, which is in contact with a block of ice. The initial gas temperature is 7 0°C.

a. During the process that occurs until the gas reaches a new equilibrium, are (i) ∆T, (ii) W, and (iii) Q greater than, less than, or equal to zero? Explain.

b. Draw a pV diagram showing the process

A container holds 1.0 g of oxygen at a pressure of 8.0 atm.

a. How much heat is required to increase the temperature by

100C at constant pressure?

b. How much will the temperature increase if this amount of

heat energy is transferred to the gas at constant volume?
See all solutions

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