1. || How much work is done on the gas in the process shown in FIGURE EX19.1? p (kPa) 400- 200 0 0 100 200 300 FIGURE EX19.1 V (cm³) p (kPa) 400- 200- 0 f 0 FIGURE EX19.2 i 100 200 300 V (cm³)
1. || How much work is done on the gas in the process shown in FIGURE EX19.1? p (kPa) 400- 200 0 0 100 200 300 FIGURE EX19.1 V (cm³) p (kPa) 400- 200- 0 f 0 FIGURE EX19.2 i 100 200 300 V (cm³)
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Transcribed Image Text:Section 19.2 Work in Ideal-Gas Processes
1. || How much work is done on the gas in the process shown in
FIGURE EX19.1?
p (kPa)
400-
200
0
0 100 200 300
FIGURE EX19.1
FIGURE EX19.3
V (cm³)
Section 19.3 Heat
p (kPa)
p (kPa)
400
200
0+
0
FIGURE EX19.2
2. || How much work is done on the gas in the process shown in
FIGURE EX19.2?
3. || 80 J of work are done on the gas in the process shown in
FIGURE EX19.3. What is V₁ in cm³?
100 200 300
300
200
100
0
0 V₁ 2V₁ 3V₁
V (cm³)
4. |A 2000 cm³ container holds 0.10 mol of helium gas at 300°C.
How much work must be done to compress the gas to 1000 cm³ at
(a) constant pressure and (b) constant temperature?
5. || 500 J of work must be done to compress a gas to half its initial
volume at constant temperature. How much work must be done to
compress the gas by a factor of 10, starting from its initial volume?
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